[
  {
    "record_id": "usim_0000",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_000",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 33.99,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.43
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 43.17
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.99,
        "to_sec": 37.91,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0001",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_001",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 41.93,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 15.74
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.33
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.23,
        "to_sec": 53.3,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0002",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_002",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 36.5,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.36
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 50.52
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.89,
        "to_sec": 38.65,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0003",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_003",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 11.34,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 49.38
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.05
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.6,
        "to_sec": 45.93,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0004",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_004",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 39.5,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.03
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 44.45
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.3,
        "to_sec": 53.19,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0005",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_005",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 10.3,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 19.36
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 61.45
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.92,
        "to_sec": 48.9,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0006",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_006",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 12.83,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 43.21
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 52.18
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.06,
        "to_sec": 43.86,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0007",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_007",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 23.13,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 35.3
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 61.5
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.3,
        "to_sec": 43.52,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0008",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_008",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 30.81,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 39.56
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 57.85
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.5,
        "to_sec": 37.79,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0009",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_009",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 14.24,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 44.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 26.36
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.27,
        "to_sec": 42.98,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0010",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_010",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 35.44,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 46.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.7
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.6,
        "to_sec": 39.27,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0011",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_011",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 39.47,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 25.46
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.43
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.72,
        "to_sec": 43.55,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0012",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_012",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 9.06,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 38.34
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.3
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.04,
        "to_sec": 39.17,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0013",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_013",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 8.13,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 33.19
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 60.16
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.02,
        "to_sec": 53.91,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0014",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_014",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 41.21,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 19.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.41
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.04,
        "to_sec": 48.46,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0015",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_015",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 21.28,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 17.0
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 23.36
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.44,
        "to_sec": 50.65,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0016",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_016",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 32.98,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 37.71
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.46
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.66,
        "to_sec": 43.74,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0017",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_017",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 18.77,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 20.64
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.11
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.08,
        "to_sec": 37.46,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0018",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_018",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 28.65,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 22.68
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 67.26
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.57,
        "to_sec": 52.16,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0019",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_019",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 21.05,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 37.47
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 50.33
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.76,
        "to_sec": 48.31,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0020",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_020",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 36.95,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.48
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 55.16
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.32,
        "to_sec": 40.0,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0021",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_021",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 13.52,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 53.36
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 22.81
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.13,
        "to_sec": 41.27,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0022",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_022",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 36.73,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 37.49
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 39.3
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.12,
        "to_sec": 49.07,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0023",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_023",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 6.67,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.15
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 63.63
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.38,
        "to_sec": 45.03,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0024",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_024",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 42.29,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 16.53
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.01
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.68,
        "to_sec": 47.23,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0025",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_025",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 25.45,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 43.49
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 31.67
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.65,
        "to_sec": 49.79,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0026",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_026",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 9.09,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.01
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.73
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.71,
        "to_sec": 36.2,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.79,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0027",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_027",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 29.06,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 28.97
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.08,
        "to_sec": 51.45,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0028",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_028",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 31.86,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 28.96
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.86
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 34.36,
        "to_sec": 47.29,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0029",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_029",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 20.2,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 35.51
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 57.16
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.78,
        "to_sec": 49.9,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0030",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_030",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 36.22,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 36.26
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 59.27
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.92,
        "to_sec": 50.71,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0031",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_031",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 44.03,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 50.02
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 60.22
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.01,
        "to_sec": 44.31,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0032",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_032",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 15.43,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 20.4
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 58.93
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.91,
        "to_sec": 36.91,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0033",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_033",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 22.45,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 59.72
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 50.98
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.95,
        "to_sec": 38.15,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0034",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_034",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 15.49,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.69
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 59.5
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.26,
        "to_sec": 48.96,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0035",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_035",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 42.72,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 53.42
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 24.09
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.12,
        "to_sec": 40.97,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0036",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_036",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 34.94,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 45.5
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.63
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.85,
        "to_sec": 46.63,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0037",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_037",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 19.05,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.98
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 60.21
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.4,
        "to_sec": 46.44,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0038",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_038",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 10.0,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 19.38
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 50.13
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.76,
        "to_sec": 43.65,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0039",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_039",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 23.13,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 47.34
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.61
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.95,
        "to_sec": 36.22,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0040",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_040",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 11.62,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 12.14
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 33.04
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.15,
        "to_sec": 47.37,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0041",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_041",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 39.0,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.98
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 55.23
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.25,
        "to_sec": 38.34,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0042",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_042",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 36.48,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 42.72
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 46.64
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.89,
        "to_sec": 36.38,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0043",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_043",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 27.67,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.45
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.09
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.55,
        "to_sec": 46.57,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0044",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_044",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 14.48,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 38.82
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 30.81
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.61,
        "to_sec": 40.5,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.79,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0045",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_045",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 38.42,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 61.2
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.58
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.06,
        "to_sec": 44.28,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0046",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_046",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 19.89,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 43.99
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.5
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.83,
        "to_sec": 52.53,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0047",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_047",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 29.55,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 53.2
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 65.05
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.99,
        "to_sec": 48.43,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0048",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_048",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 36.4,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 32.23
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.97
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.61,
        "to_sec": 38.58,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0049",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_049",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 5.53,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 23.17
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 46.22
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.92,
        "to_sec": 49.69,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0050",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_050",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 43.22,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 27.51
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.25
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.87,
        "to_sec": 40.12,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0051",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_051",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 29.0,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 30.86
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 43.36
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.61,
        "to_sec": 52.0,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0052",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_052",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 14.79,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 22.14
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 64.19
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.44,
        "to_sec": 36.16,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0053",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_053",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 16.65,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.44
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.46
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.53,
        "to_sec": 40.06,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0054",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_054",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 6.54,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 40.1
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 55.74
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.93,
        "to_sec": 43.51,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0055",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_055",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 34.16,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 32.97
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 43.93
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.82,
        "to_sec": 39.53,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0056",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_056",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 18.63,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 49.73
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.17
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.56,
        "to_sec": 42.22,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0057",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_057",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 14.22,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 30.38
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.46
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.4,
        "to_sec": 43.92,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0058",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_058",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 34.03,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 41.23
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.67
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.34,
        "to_sec": 40.45,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0059",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_059",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 20.78,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.8
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 60.41
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.47,
        "to_sec": 43.14,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0060",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_060",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 29.85,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 12.25
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.54
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.97,
        "to_sec": 48.52,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0061",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_061",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 17.73,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 55.21
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.63
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.51,
        "to_sec": 53.73,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0062",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_062",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 26.13,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.89
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.19
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.03,
        "to_sec": 44.42,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0063",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_063",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 42.25,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 48.99
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 64.89
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.78,
        "to_sec": 38.49,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0064",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_064",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 43.66,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 39.93
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 27.37
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.22,
        "to_sec": 48.9,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0065",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_065",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 13.56,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 13.71
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 67.01
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.21,
        "to_sec": 44.21,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0066",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_066",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 16.01,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 52.04
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 19.55
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.79,
        "to_sec": 50.71,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0067",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_067",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 43.04,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 17.09
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 55.06
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.07,
        "to_sec": 38.61,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0068",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_068",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 13.98,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 54.46
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 65.95
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.38,
        "to_sec": 48.55,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0069",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_069",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 9.62,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 15.62
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.87,
        "to_sec": 51.61,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0070",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_070",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 15.03,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 40.86
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 21.68
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.22,
        "to_sec": 36.29,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0071",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_071",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 8.65,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.7
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 57.56
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.25,
        "to_sec": 47.23,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0072",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_072",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 22.2,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 40.49
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.74
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.25,
        "to_sec": 43.08,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0073",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_073",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 13.0,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 59.63
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 30.16
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.36,
        "to_sec": 37.02,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0074",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_074",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 33.07,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.49
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.47
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.41,
        "to_sec": 42.75,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0075",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_075",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 39.03,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 18.95
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 62.39
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.83,
        "to_sec": 47.74,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0076",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_076",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 16.08,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 61.58
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.26
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.51,
        "to_sec": 38.97,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0077",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_077",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 19.23,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.07
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 35.62
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.3,
        "to_sec": 37.34,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0078",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_078",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 20.93,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 61.95
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 29.13
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.4,
        "to_sec": 47.98,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0079",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_079",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 5.45,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.14
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.39
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.77,
        "to_sec": 37.06,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0080",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_000",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 21.43,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 36.52
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 62.82
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.29,
        "to_sec": 51.32,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.79,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0081",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_001",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 28.12,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 42.37
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 67.6
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.44,
        "to_sec": 40.77,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0082",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_002",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 21.4,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 53.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 63.03
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.45,
        "to_sec": 50.19,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0083",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_003",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 39.39,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.8
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.88
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.36,
        "to_sec": 51.2,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0084",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_004",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 14.53,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 48.09
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 18.49
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.93,
        "to_sec": 39.38,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0085",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_005",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 15.86,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 34.51
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.5
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.03,
        "to_sec": 45.67,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0086",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_006",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 27.63,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.45
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 21.94
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.56,
        "to_sec": 52.89,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0087",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_007",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 19.3,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.84
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.19
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 34.97,
        "to_sec": 53.57,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0088",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_008",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 17.61,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 45.4
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 39.86
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.16,
        "to_sec": 41.27,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0089",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_009",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 22.83,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.95
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 21.38
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.4,
        "to_sec": 38.99,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0090",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_010",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 26.25,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 42.49
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 63.06
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.86,
        "to_sec": 47.72,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0091",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_011",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 7.63,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.69
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 52.94
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.24,
        "to_sec": 40.59,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0092",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_012",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 24.98,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 31.62
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.04
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.36,
        "to_sec": 36.74,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0093",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_013",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 38.9,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 45.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.59
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.32,
        "to_sec": 38.86,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0094",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_014",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 28.6,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 19.86
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.52
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.52,
        "to_sec": 40.61,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0095",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_015",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 10.47,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.49
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.96
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.25,
        "to_sec": 49.92,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0096",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_016",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 41.46,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.68
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 18.42
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.2,
        "to_sec": 41.17,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0097",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_017",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 17.21,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 22.67
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 24.52
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.22,
        "to_sec": 46.02,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0098",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_018",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 6.52,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 40.65
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 58.11
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.25,
        "to_sec": 51.0,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0099",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_019",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 14.6,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 16.42
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.94
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.46,
        "to_sec": 42.04,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0100",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_020",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 12.06,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 46.83
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 53.86
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 34.27,
        "to_sec": 38.82,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0101",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_021",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 34.72,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.31
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.83,
        "to_sec": 41.41,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0102",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_022",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 12.32,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 42.64
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 27.19
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.26,
        "to_sec": 39.9,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0103",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_023",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 35.26,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 56.05
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 66.32
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.3,
        "to_sec": 45.62,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0104",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_024",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 21.93,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 18.34
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 25.4
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.78,
        "to_sec": 38.83,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0105",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_025",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 12.7,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 59.59
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 62.3
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.21,
        "to_sec": 51.49,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0106",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_026",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 5.15,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 23.92
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.67
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.28,
        "to_sec": 37.03,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0107",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_027",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 16.55,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 49.56
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.92
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.31,
        "to_sec": 50.55,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0108",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_028",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 39.47,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 39.26
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 24.56
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.1,
        "to_sec": 42.13,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0109",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_029",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 27.62,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 33.3
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 55.79
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.53,
        "to_sec": 42.96,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0110",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_030",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 25.91,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.13
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 22.31
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.36,
        "to_sec": 37.57,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0111",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_031",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 34.72,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 14.85
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 42.68
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.19,
        "to_sec": 53.26,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0112",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_032",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 5.94,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.17
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.84,
        "to_sec": 45.61,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0113",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_033",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 8.17,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.99
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.92
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.24,
        "to_sec": 45.12,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0114",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_034",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 41.43,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 49.44
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 58.89
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.8,
        "to_sec": 51.91,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0115",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_035",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 34.08,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 53.76
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 58.74
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 33.03,
        "to_sec": 49.13,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0116",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_036",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 28.58,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 55.21
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.43
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.81,
        "to_sec": 48.39,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0117",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_037",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 19.63,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 46.42
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.48
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.47,
        "to_sec": 37.95,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0118",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_038",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 19.65,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 34.87
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 61.35
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.8,
        "to_sec": 37.28,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0119",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_039",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 36.16,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 39.42
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.64,
        "to_sec": 40.57,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0120",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_040",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 44.57,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 12.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.45
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.67,
        "to_sec": 40.71,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0121",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_041",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 25.06,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 36.37
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 23.59
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.24,
        "to_sec": 44.53,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0122",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_042",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 38.84,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 13.44
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.66
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.52,
        "to_sec": 39.42,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0123",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_043",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 44.19,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 19.02
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 34.25
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.04,
        "to_sec": 46.89,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0124",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_044",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 31.27,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 31.3
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.04
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.54,
        "to_sec": 47.98,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0125",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_045",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 6.67,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 20.17
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.23
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.36,
        "to_sec": 45.6,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0126",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_046",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 44.63,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 23.17
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 64.62
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.56,
        "to_sec": 52.96,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0127",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_047",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 26.22,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 13.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 50.27
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.2,
        "to_sec": 36.09,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0128",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_048",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 26.06,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 25.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.39
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.01,
        "to_sec": 43.92,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0129",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_049",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 31.37,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 20.92
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.44
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.98,
        "to_sec": 52.26,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0130",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_050",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 19.0,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.67
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.99
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.54,
        "to_sec": 37.63,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0131",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_051",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 42.97,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 16.54
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 65.55
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.28,
        "to_sec": 47.01,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0132",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_052",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 8.1,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 14.98
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 59.81
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.57,
        "to_sec": 38.21,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0133",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_053",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 29.44,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 18.09
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.98
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.51,
        "to_sec": 38.32,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0134",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_054",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 34.84,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.07
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 66.52
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.58,
        "to_sec": 51.07,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0135",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_055",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 31.89,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 50.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.96
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.47,
        "to_sec": 46.24,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0136",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_056",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 37.83,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 53.37
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 26.88
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.57,
        "to_sec": 48.49,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0137",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_057",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 44.54,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 14.63
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.32
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.99,
        "to_sec": 51.41,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0138",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_058",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 23.85,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 38.25
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.87
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.28,
        "to_sec": 49.3,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0139",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_059",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 43.12,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 59.1
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 39.5
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.46,
        "to_sec": 48.1,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0140",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_060",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 26.34,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 13.58
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 55.12
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.56,
        "to_sec": 52.25,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0141",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_061",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 15.84,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 20.99
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 26.2
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.67,
        "to_sec": 36.25,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0142",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_062",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 43.42,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 27.54
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.94
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.79,
        "to_sec": 42.4,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0143",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_063",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 8.91,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 60.93
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 33.15
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.11,
        "to_sec": 38.12,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0144",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_064",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 39.11,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 17.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 29.35
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.78,
        "to_sec": 47.19,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0145",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_065",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 8.4,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.23
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.52
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.23,
        "to_sec": 36.7,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0146",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_066",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 39.43,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.09
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 22.54
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.89,
        "to_sec": 51.58,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0147",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_067",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 20.42,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.5
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.01,
        "to_sec": 49.29,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0148",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_068",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 18.49,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 54.74
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.59,
        "to_sec": 52.09,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0149",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_069",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 22.13,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 14.89
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.52
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.56,
        "to_sec": 38.38,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0150",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_070",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 39.06,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 26.07
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.04
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.65,
        "to_sec": 49.7,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0151",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_071",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 12.92,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.92,
        "to_sec": 39.72,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0152",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_072",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 18.85,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 62.21
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.26,
        "to_sec": 52.2,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0153",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_073",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 12.37,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 60.04
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.36
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.94,
        "to_sec": 44.7,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0154",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_074",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 33.54,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.67
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 50.6
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.99,
        "to_sec": 51.75,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0155",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_075",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 10.62,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 13.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.11
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.83,
        "to_sec": 41.93,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0156",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_076",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 23.53,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 56.11
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 25.18
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.55,
        "to_sec": 49.86,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0157",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_077",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 30.96,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.37
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 61.08
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.02,
        "to_sec": 44.13,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0158",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_078",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 38.18,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 25.32
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 69.92
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.23,
        "to_sec": 40.02,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0159",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_079",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 32.44,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 16.11
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.43
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.83,
        "to_sec": 49.08,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0160",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_000",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 13.76,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 25.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 65.06
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.03,
        "to_sec": 39.0,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0161",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_001",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 42.69,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 20.34
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 69.81
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.83,
        "to_sec": 44.09,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0162",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_002",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 38.18,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 25.24
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 65.56
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.77,
        "to_sec": 53.16,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0163",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_003",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 37.55,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 60.4
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.86
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.09,
        "to_sec": 45.92,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0164",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_004",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 13.64,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 43.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.45
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.01,
        "to_sec": 36.82,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0165",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_005",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 17.13,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 45.93
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 35.08
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.73,
        "to_sec": 41.86,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0166",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_006",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 38.32,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 40.83
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 55.51
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.09,
        "to_sec": 37.45,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0167",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_007",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 35.6,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 28.03
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.92
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.33,
        "to_sec": 45.4,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0168",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_008",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 21.11,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 45.25
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.61
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.52,
        "to_sec": 47.06,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0169",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_009",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 18.53,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 60.12
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.87
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.83,
        "to_sec": 38.0,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0170",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_010",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 15.91,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 51.82
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.79
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.01,
        "to_sec": 51.96,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.79,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0171",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_011",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 44.32,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 60.62
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 43.23
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.09,
        "to_sec": 41.24,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0172",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_012",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 33.63,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 17.81
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 61.41
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.37,
        "to_sec": 47.36,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0173",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_013",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 5.56,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 46.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 18.85
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.41,
        "to_sec": 37.99,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0174",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_014",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 5.87,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 27.66
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.89
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.6,
        "to_sec": 43.39,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0175",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_015",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 13.78,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 18.39
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 60.04
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.69,
        "to_sec": 41.33,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0176",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_016",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 12.48,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 39.03
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 26.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.79,
        "to_sec": 39.01,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0177",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_017",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 16.33,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 37.56
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 50.48
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.21,
        "to_sec": 44.31,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0178",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_018",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 21.43,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 42.62
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.23
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.29,
        "to_sec": 45.87,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0179",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_019",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 32.5,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.64
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 53.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.48,
        "to_sec": 48.99,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0180",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_020",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 41.27,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 43.72
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.57
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.63,
        "to_sec": 37.62,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0181",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_021",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 39.28,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 59.46
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.13
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.0,
        "to_sec": 40.79,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0182",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_022",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 30.3,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 20.45
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.01
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.41,
        "to_sec": 40.28,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0183",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_023",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 42.93,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 22.45
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 25.38
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.9,
        "to_sec": 40.15,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0184",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_024",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 26.46,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 37.38
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 69.15
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.94,
        "to_sec": 36.36,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0185",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_025",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 39.12,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 27.46
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.05
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.94,
        "to_sec": 51.43,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0186",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_026",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 43.44,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 12.05
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.81
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.56,
        "to_sec": 51.6,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0187",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_027",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 5.8,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.56
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 25.83
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.17,
        "to_sec": 53.5,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0188",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_028",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 34.17,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 23.99
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.85
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.71,
        "to_sec": 42.84,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0189",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_029",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 44.14,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 20.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 42.23
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.33,
        "to_sec": 49.62,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0190",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_030",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 7.78,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.49
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 21.79
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.68,
        "to_sec": 43.29,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0191",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_031",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 42.84,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.51
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 46.55
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.98,
        "to_sec": 53.24,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0192",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_032",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 31.07,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 48.84
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 27.13
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.66,
        "to_sec": 46.13,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0193",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_033",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 10.72,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.21
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.12,
        "to_sec": 37.44,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0194",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_034",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 12.1,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.41
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.24
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.59,
        "to_sec": 39.65,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0195",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_035",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 43.31,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 53.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.68
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.11,
        "to_sec": 39.54,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0196",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_036",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 11.94,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 46.69
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.67
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.18,
        "to_sec": 46.0,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0197",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_037",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 41.11,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 44.56
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.81
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.15,
        "to_sec": 51.3,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0198",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_038",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 26.58,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.66
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 35.57
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.99,
        "to_sec": 47.25,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0199",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_039",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 31.77,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 40.73
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.11
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.93,
        "to_sec": 36.97,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0200",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_040",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 33.43,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 37.06
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 29.08
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.87,
        "to_sec": 48.15,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0201",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_041",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 34.34,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 32.71
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.62,
        "to_sec": 50.85,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0202",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_042",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 26.36,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 22.77
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.97
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.04,
        "to_sec": 43.9,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0203",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_043",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 7.4,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 27.06
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 64.21
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.42,
        "to_sec": 44.78,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0204",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_044",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 17.5,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 61.02
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 64.36
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.16,
        "to_sec": 50.86,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0205",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_045",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 36.58,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.39
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.49
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.66,
        "to_sec": 42.88,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0206",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_046",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 19.8,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 52.41
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 24.62
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.99,
        "to_sec": 46.15,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0207",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_047",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 30.92,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 51.08
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 63.0
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.92,
        "to_sec": 53.52,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0208",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_048",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 12.13,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 61.81
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 65.01
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.47,
        "to_sec": 40.43,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0209",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_049",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 30.93,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 43.38
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 68.07
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.58,
        "to_sec": 52.01,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0210",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_050",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 8.14,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 34.83
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.14
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.79,
        "to_sec": 41.13,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0211",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_051",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 5.11,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 17.73
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.63
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.02,
        "to_sec": 46.12,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0212",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_052",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 17.39,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.57
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.33,
        "to_sec": 36.74,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0213",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_053",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 20.0,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 38.79
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 65.42
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.43,
        "to_sec": 51.28,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0214",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_054",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 19.96,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 35.57
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 34.88
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.15,
        "to_sec": 53.66,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0215",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_055",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 20.35,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.75
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 68.93
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.04,
        "to_sec": 45.89,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0216",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_056",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 27.34,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 51.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 26.38
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.65,
        "to_sec": 43.86,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0217",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_057",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 28.86,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.76
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 53.62
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.99,
        "to_sec": 37.93,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0218",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_058",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 32.37,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 30.03
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 67.28
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.61,
        "to_sec": 47.36,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0219",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_059",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 30.93,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.91
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.64,
        "to_sec": 52.15,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0220",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_060",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 7.85,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 13.26
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 55.25
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.95,
        "to_sec": 38.58,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0221",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_061",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 16.01,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.29
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.17
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.89,
        "to_sec": 46.67,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0222",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_062",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 8.42,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 27.01
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 27.05
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.45,
        "to_sec": 50.36,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0223",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_063",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 35.0,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 13.57
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 50.67
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.68,
        "to_sec": 45.73,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0224",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_064",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 33.69,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.52
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 25.03
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.19,
        "to_sec": 48.52,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0225",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_065",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 32.11,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 47.67
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.15
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.69,
        "to_sec": 45.12,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0226",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_066",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 15.86,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 41.78
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.53,
        "to_sec": 53.94,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0227",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_067",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 8.78,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 52.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.36
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.48,
        "to_sec": 52.74,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0228",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_068",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 14.52,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 58.92
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 45.49
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.52,
        "to_sec": 52.62,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0229",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_069",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 30.38,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 37.34
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 52.2
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.86,
        "to_sec": 40.35,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0230",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_070",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 31.56,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 40.14
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.2
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.27,
        "to_sec": 45.71,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0231",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_071",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 6.93,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 36.08
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.06
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.98,
        "to_sec": 41.78,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0232",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_072",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 38.64,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 47.96
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.66
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.83,
        "to_sec": 38.97,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0233",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_073",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 17.38,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.83
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.39
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.06,
        "to_sec": 36.88,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0234",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_074",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 11.23,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 15.07
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 62.33
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.78,
        "to_sec": 44.96,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0235",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_075",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 26.02,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 46.2
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 59.36
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 34.68,
        "to_sec": 47.36,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0236",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_076",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 11.51,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 53.02
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 39.98
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.35,
        "to_sec": 47.08,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0237",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_077",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 20.4,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 37.71
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 65.55
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.27,
        "to_sec": 36.77,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0238",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_078",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 15.24,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 43.01
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.77
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.35,
        "to_sec": 38.57,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0239",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_079",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 22.71,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.95
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.12
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.22,
        "to_sec": 44.94,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0240",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_000",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 11.16,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 30.8
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 39.47
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.03,
        "to_sec": 46.14,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0241",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_001",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 10.63,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 59.87
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.5
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.54,
        "to_sec": 36.07,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0242",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_002",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 7.15,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.21
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 50.96
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.62,
        "to_sec": 51.52,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0243",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_003",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 15.74,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 16.73
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 30.56
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.33,
        "to_sec": 37.79,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0244",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_004",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 39.58,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 17.53
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 25.48
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.43,
        "to_sec": 53.23,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0245",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_005",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 29.44,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.15
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.19,
        "to_sec": 37.48,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0246",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_006",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 21.75,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 16.0
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 29.37
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.57,
        "to_sec": 44.34,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0247",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_007",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 18.45,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 52.91
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 24.34
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.98,
        "to_sec": 44.35,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0248",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_008",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 29.57,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 37.61
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 63.4
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.96,
        "to_sec": 40.23,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0249",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_009",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 28.99,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 27.95
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.0
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.02,
        "to_sec": 45.3,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0250",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_010",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 31.82,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 54.05
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.15
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.3,
        "to_sec": 48.67,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0251",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_011",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 29.82,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 56.41
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 34.84
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.25,
        "to_sec": 45.86,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0252",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_012",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 23.61,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 54.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.52
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.68,
        "to_sec": 41.44,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0253",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_013",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 22.64,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 51.68
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 50.94
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.66,
        "to_sec": 37.57,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0254",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_014",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 22.87,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 17.88
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 30.56
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.94,
        "to_sec": 40.51,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0255",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_015",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 18.9,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 54.25
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.16
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.55,
        "to_sec": 47.2,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0256",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_016",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 13.71,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.18
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 52.63
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.39,
        "to_sec": 36.72,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0257",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_017",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 25.48,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.12
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 63.42
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.26,
        "to_sec": 44.14,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0258",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_018",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 19.66,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 17.69
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.53
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.92,
        "to_sec": 50.03,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0259",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_019",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 32.11,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.77
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 33.69
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.64,
        "to_sec": 38.95,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0260",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_020",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 12.87,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 19.48
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.94
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.29,
        "to_sec": 53.48,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.79,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0261",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_021",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 17.99,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 46.28
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 43.77
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.4,
        "to_sec": 47.61,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0262",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_022",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 7.32,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 30.38
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 34.69
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.15,
        "to_sec": 46.14,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0263",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_023",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 44.28,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 32.76
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.11
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.11,
        "to_sec": 53.86,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0264",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_024",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 35.44,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 25.81
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 27.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.97,
        "to_sec": 42.11,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0265",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_025",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 26.39,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 45.15
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 48.0
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.39,
        "to_sec": 37.54,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0266",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_026",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 11.55,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 34.54
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 27.81
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.75,
        "to_sec": 48.14,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0267",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_027",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 42.91,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.54
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 60.18
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.84,
        "to_sec": 48.14,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0268",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_028",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 39.77,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 44.45
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 48.03
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.69,
        "to_sec": 44.56,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0269",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_029",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 26.89,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 36.53
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.1
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 33.68,
        "to_sec": 50.55,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0270",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_030",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 36.48,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 16.26
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 45.37
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.19,
        "to_sec": 53.91,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0271",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_031",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 31.12,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 23.95
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 20.8
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.84,
        "to_sec": 51.52,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0272",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_032",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 34.4,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 23.89
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 19.12
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.0,
        "to_sec": 51.03,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0273",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_033",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 15.89,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 12.85
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 58.73
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.52,
        "to_sec": 40.06,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0274",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_034",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 9.88,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 55.77
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 62.13
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.21,
        "to_sec": 38.63,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0275",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_035",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 7.56,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 37.12
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 69.44
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.24,
        "to_sec": 38.17,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0276",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_036",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 32.04,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 32.43
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.79
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.81,
        "to_sec": 44.69,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0277",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_037",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 31.07,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 19.11
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 43.12
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.62,
        "to_sec": 51.91,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0278",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_038",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 24.73,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 41.44
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.13,
        "to_sec": 45.8,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0279",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_039",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 19.57,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 14.93
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.64
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.03,
        "to_sec": 52.6,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0280",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_040",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 15.17,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 54.93
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 69.89
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.21,
        "to_sec": 49.08,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0281",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_041",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 9.45,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.8
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.97
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.28,
        "to_sec": 51.6,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0282",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_042",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 22.83,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 26.57
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.05
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.75,
        "to_sec": 37.95,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0283",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_043",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 14.05,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 54.03
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 69.73
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.09,
        "to_sec": 45.23,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0284",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_044",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 35.58,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 19.18
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.69
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.25,
        "to_sec": 43.74,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0285",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_045",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 12.6,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 24.25
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 45.14
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.44,
        "to_sec": 39.55,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0286",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_046",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 27.47,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 42.35
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 48.14
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.65,
        "to_sec": 47.7,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0287",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_047",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 30.09,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 34.3
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.96
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.05,
        "to_sec": 47.37,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0288",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_048",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 20.83,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.0
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.84
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.62,
        "to_sec": 36.31,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0289",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_049",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 21.16,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 61.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 50.78
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.08,
        "to_sec": 50.41,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0290",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_050",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 14.74,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 58.35
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 18.45
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.13,
        "to_sec": 46.02,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0291",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_051",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 17.01,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 34.55
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 34.16
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.07,
        "to_sec": 51.14,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0292",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_052",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 5.13,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.07
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 69.96
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.9,
        "to_sec": 44.98,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0293",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_053",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 35.25,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.66
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.32
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.28,
        "to_sec": 40.79,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0294",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_054",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 27.13,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 17.2
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 34.18
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.1,
        "to_sec": 50.36,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0295",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_055",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 24.72,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 36.14
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.84
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.46,
        "to_sec": 51.59,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0296",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_056",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 39.68,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.24
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 42.3
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.94,
        "to_sec": 51.35,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0297",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_057",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 44.09,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 30.03
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 20.38
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.18,
        "to_sec": 45.59,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0298",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_058",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 44.54,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.32
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.61,
        "to_sec": 49.43,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0299",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_059",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 29.05,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 40.94
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 26.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.0,
        "to_sec": 43.18,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0300",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_060",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 31.45,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 53.42
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.7
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.42,
        "to_sec": 50.43,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0301",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_061",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 19.25,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 49.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 21.73
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.18,
        "to_sec": 46.17,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0302",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_062",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 34.68,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.71
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.24
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.55,
        "to_sec": 48.51,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0303",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_063",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 12.72,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 36.5
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 50.22
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.36,
        "to_sec": 37.69,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0304",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_064",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 34.07,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 52.24
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 46.04
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.25,
        "to_sec": 37.56,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0305",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_065",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 40.38,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 61.21
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.22,
        "to_sec": 43.53,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0306",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_066",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 26.68,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 60.71
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.04
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.77,
        "to_sec": 41.0,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0307",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_067",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 43.28,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 14.59
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.44
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.51,
        "to_sec": 41.96,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0308",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_068",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 16.75,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 18.49
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 50.55
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.01,
        "to_sec": 53.87,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0309",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_069",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 26.71,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 13.79
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 65.73
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.39,
        "to_sec": 43.61,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0310",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_070",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 41.22,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 61.91
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 22.69
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.73,
        "to_sec": 49.44,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0311",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_071",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 33.75,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 54.01
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 38.47
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.19,
        "to_sec": 36.56,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0312",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_072",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 19.79,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 56.84
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 65.45
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.79,
        "to_sec": 36.02,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0313",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_073",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 9.06,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 20.98
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 45.75
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.36,
        "to_sec": 48.19,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0314",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_074",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 24.75,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 13.77
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 31.22
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.95,
        "to_sec": 36.62,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0315",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_075",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 38.96,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 52.19
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 65.54
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.6,
        "to_sec": 50.02,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0316",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_076",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 29.82,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 30.42
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.65,
        "to_sec": 44.27,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0317",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_077",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 37.77,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.84
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.8
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.39,
        "to_sec": 49.13,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0318",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_078",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 24.51,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 59.59
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.95
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.53,
        "to_sec": 38.36,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0319",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_079",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 17.21,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.89
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 45.54
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.41,
        "to_sec": 53.29,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0320",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_000",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 9.85,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 22.36
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.6
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.43,
        "to_sec": 48.64,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0321",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_001",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 33.94,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 15.37
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.91
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.74,
        "to_sec": 53.04,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0322",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_002",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 17.28,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 61.04
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 38.07
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.32,
        "to_sec": 43.28,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0323",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_003",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 9.13,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 55.31
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 61.36
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.07,
        "to_sec": 46.04,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0324",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_004",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 35.27,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 20.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.84
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.57,
        "to_sec": 42.45,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0325",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_005",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 40.44,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.94
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 26.51
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.64,
        "to_sec": 38.15,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0326",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_006",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 38.97,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.65
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 66.03
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.7,
        "to_sec": 46.02,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0327",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_007",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 33.59,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 36.87
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.45
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.38,
        "to_sec": 49.16,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0328",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_008",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 32.86,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.45
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 51.07
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.43,
        "to_sec": 36.5,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0329",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_009",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 5.16,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 56.89
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.78
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.26,
        "to_sec": 46.9,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0330",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_010",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 18.07,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 44.03
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 41.81
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.79,
        "to_sec": 43.05,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0331",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_011",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 24.27,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.9
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.92
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.61,
        "to_sec": 40.69,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0332",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_012",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 26.45,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 32.9
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.41
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.45,
        "to_sec": 42.65,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0333",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_013",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 30.03,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 39.94
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.49
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.88,
        "to_sec": 52.88,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0334",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_014",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 11.41,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 22.95
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 52.34
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.48,
        "to_sec": 36.64,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0335",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_015",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 38.73,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 50.44
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 30.36
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.7,
        "to_sec": 46.34,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0336",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_016",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 37.14,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 14.24
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 33.48
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.22,
        "to_sec": 42.28,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0337",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_017",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 35.57,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 33.61
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 63.08
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.61,
        "to_sec": 53.43,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0338",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_018",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 18.22,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 52.27
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 18.42
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.82,
        "to_sec": 46.49,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0339",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_019",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 19.77,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 57.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 57.95
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.71,
        "to_sec": 45.24,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0340",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_020",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 40.86,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 58.89
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 30.48
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.12,
        "to_sec": 44.08,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0341",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_021",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 12.39,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.89
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 63.0
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.88,
        "to_sec": 40.89,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0342",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_022",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 35.01,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 35.12
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.76
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.47,
        "to_sec": 46.2,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0343",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_023",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 44.71,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 42.97
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 61.27
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.72,
        "to_sec": 42.56,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0344",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_024",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 18.05,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 47.03
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.86
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 34.52,
        "to_sec": 53.42,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0345",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_025",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 11.61,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 39.79
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 64.21
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.45,
        "to_sec": 42.08,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0346",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_026",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 23.86,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.34
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 28.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.28,
        "to_sec": 38.11,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0347",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_027",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 34.11,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.76
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.07
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.57,
        "to_sec": 40.89,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0348",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_028",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 44.75,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 39.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.87
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.09,
        "to_sec": 48.17,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0349",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_029",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 24.05,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 59.39
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 61.53
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.67,
        "to_sec": 40.85,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0350",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_030",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 11.15,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.54
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 60.92
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.42,
        "to_sec": 46.72,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.79,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0351",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_031",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 27.24,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 53.6
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 55.96
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.09,
        "to_sec": 37.31,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0352",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_032",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 17.44,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.66
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 40.57
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.91,
        "to_sec": 48.14,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0353",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_033",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 23.14,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.03
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.19
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.36,
        "to_sec": 52.91,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0354",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_034",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 6.14,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 42.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 24.41
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.85,
        "to_sec": 42.46,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0355",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_035",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 17.6,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 23.12
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 49.65
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.62,
        "to_sec": 43.29,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0356",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_036",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 18.17,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 54.06
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.65
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.71,
        "to_sec": 36.87,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0357",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_037",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 33.0,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 45.17
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 22.65
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.35,
        "to_sec": 44.92,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0358",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_038",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 16.52,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.94
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 55.99
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.37,
        "to_sec": 43.17,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0359",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_039",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 29.21,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 39.98
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.23
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.25,
        "to_sec": 37.3,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0360",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_040",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 11.57,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 49.54
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.27
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.6,
        "to_sec": 42.44,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0361",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_041",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 23.16,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 42.2
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 30.69
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.51,
        "to_sec": 37.53,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0362",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_042",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 9.52,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 20.31
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.15
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.26,
        "to_sec": 42.27,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0363",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_043",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 13.48,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 55.29
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 31.69
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.86,
        "to_sec": 51.34,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0364",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_044",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 7.79,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 53.86
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 43.7
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.48,
        "to_sec": 41.66,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0365",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_045",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 12.17,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 46.94
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.58
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.19,
        "to_sec": 44.52,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0366",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_046",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 25.85,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 18.89
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.06
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.57,
        "to_sec": 36.92,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0367",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_047",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 30.41,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.81
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.59
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.62,
        "to_sec": 37.2,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0368",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_048",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 35.93,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 46.03
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 20.13
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.05,
        "to_sec": 43.41,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0369",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_049",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 30.19,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 56.62
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 64.5
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.56,
        "to_sec": 51.88,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0370",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_050",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 14.29,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 59.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.02
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.43,
        "to_sec": 43.48,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0371",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_051",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 29.44,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 49.35
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 64.99
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.17,
        "to_sec": 48.29,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0372",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_052",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 37.36,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 25.29
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 22.68
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.98,
        "to_sec": 51.38,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0373",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_053",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 38.62,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.57
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 61.92
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.6,
        "to_sec": 47.74,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0374",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_054",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 9.84,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 44.11
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 61.59
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.89,
        "to_sec": 36.6,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0375",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_055",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 29.9,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 33.85
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 33.61
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.02,
        "to_sec": 50.43,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0376",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_056",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 20.85,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.5
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.12
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.74,
        "to_sec": 38.07,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0377",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_057",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 23.42,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 18.13
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 60.86
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.89,
        "to_sec": 48.08,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0378",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_058",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 16.97,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 16.11
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 69.23
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.13,
        "to_sec": 53.55,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0379",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_059",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 44.25,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 30.01
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 59.92
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.3,
        "to_sec": 43.03,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0380",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_060",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 18.99,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 20.55
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.27
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.08,
        "to_sec": 40.24,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0381",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_061",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 6.75,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 46.22
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 41.74
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.13,
        "to_sec": 46.03,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0382",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_062",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 27.12,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 61.32
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 33.39
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.62,
        "to_sec": 44.29,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0383",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_063",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 15.87,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 55.4
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.27
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.11,
        "to_sec": 39.62,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0384",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_064",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 42.22,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 17.0
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.83
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.22,
        "to_sec": 43.52,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0385",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_065",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 28.83,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 34.97
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 44.82
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.07,
        "to_sec": 40.06,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0386",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_066",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 39.8,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.85
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 63.84
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.82,
        "to_sec": 52.5,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0387",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_067",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 11.67,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 30.82
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.87
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.74,
        "to_sec": 42.56,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0388",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_068",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 12.12,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.44
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.18
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.55,
        "to_sec": 41.04,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0389",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_069",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 42.38,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.69
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.91
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.52,
        "to_sec": 45.59,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0390",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_070",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 32.99,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 61.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 27.17
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.81,
        "to_sec": 47.71,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0391",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_071",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 23.71,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 25.08
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 60.03
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.74,
        "to_sec": 49.83,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0392",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_072",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 27.58,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.63
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 20.48
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.79,
        "to_sec": 42.18,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0393",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_073",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 22.75,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 52.26
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.51
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.83,
        "to_sec": 45.6,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0394",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_074",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 14.11,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 12.39
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.64
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.23,
        "to_sec": 38.49,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0395",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_075",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 32.92,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 57.94
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 42.16
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.86,
        "to_sec": 49.33,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0396",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_076",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 39.58,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 46.48
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 61.21
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.68,
        "to_sec": 40.31,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0397",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_077",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 34.9,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.65
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 47.7
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.4,
        "to_sec": 40.83,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0398",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_078",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 22.99,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 40.86
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 23.77
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.39,
        "to_sec": 45.88,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0399",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_079",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 24.28,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 46.38
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.15
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.46,
        "to_sec": 37.03,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0400",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_000",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 16.24,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 59.39
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.69
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.09,
        "to_sec": 39.4,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0401",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_001",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 13.04,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 25.34
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.19
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.87,
        "to_sec": 48.95,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0402",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_002",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 37.56,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 23.37
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 45.45
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.2,
        "to_sec": 49.96,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0403",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_003",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 7.28,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 17.89
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 23.37
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.64,
        "to_sec": 38.4,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0404",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_004",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 20.78,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 54.39
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.28
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.74,
        "to_sec": 40.3,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0405",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_005",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 43.69,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 41.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.86
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 33.9,
        "to_sec": 46.09,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0406",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_006",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 42.53,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.21
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.0,
        "to_sec": 46.94,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0407",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_007",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 40.56,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 26.71
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.82
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.85,
        "to_sec": 51.04,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0408",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_008",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 36.55,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 21.47
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 36.01
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.22,
        "to_sec": 49.93,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0409",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_009",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 35.32,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 51.31
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 26.34
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.52,
        "to_sec": 50.19,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0410",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_010",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 7.61,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 31.46
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 34.55
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.84,
        "to_sec": 51.63,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.67,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0411",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_011",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 44.83,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 38.48
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.35
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.83,
        "to_sec": 52.09,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0412",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_012",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 21.97,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 14.33
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 39.83
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.42,
        "to_sec": 44.41,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0413",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_013",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 10.81,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 40.15
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.61
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.0,
        "to_sec": 40.31,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0414",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_014",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 22.61,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 18.75
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.9
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.51,
        "to_sec": 39.87,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0415",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_015",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 11.46,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 47.77
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.27
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.07,
        "to_sec": 53.44,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0416",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_016",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 29.24,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.9
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 30.46
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.28,
        "to_sec": 48.31,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0417",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_017",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 26.07,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 50.1
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.69
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.23,
        "to_sec": 37.92,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0418",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_018",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 33.28,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 53.39
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 35.02
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.91,
        "to_sec": 50.02,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0419",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_019",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 13.04,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 15.09
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.56
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.52,
        "to_sec": 43.09,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0420",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_020",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 22.89,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 59.26
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.53
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 34.67,
        "to_sec": 41.09,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0421",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_021",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 6.9,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 50.25
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.58
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.34,
        "to_sec": 36.59,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0422",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_022",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 24.73,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 22.68
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.03
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.59,
        "to_sec": 41.31,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0423",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_023",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 20.47,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 28.78
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 57.89
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.28,
        "to_sec": 46.82,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0424",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_024",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 34.64,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 55.51
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 55.84
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.8,
        "to_sec": 39.56,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0425",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_025",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 33.77,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 56.24
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.18
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.93,
        "to_sec": 41.31,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0426",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_026",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 28.39,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 28.41
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 33.47
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.48,
        "to_sec": 43.12,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0427",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_027",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 18.41,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.77
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 24.44
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.45,
        "to_sec": 46.51,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0428",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_028",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 16.54,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 17.31
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.92
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.44,
        "to_sec": 48.51,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0429",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_029",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 42.26,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 42.82
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 65.61
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.58,
        "to_sec": 51.37,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0430",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_030",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 35.24,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 37.72
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.94
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.86,
        "to_sec": 42.03,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.75,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0431",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_031",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 29.64,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 16.95
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.26
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.55,
        "to_sec": 37.54,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0432",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_032",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 25.43,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 35.38
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 25.83
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.7,
        "to_sec": 37.63,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0433",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_033",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 31.65,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.91
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.27
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.99,
        "to_sec": 37.22,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0434",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_034",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 26.63,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 53.17
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 57.42
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 23.85,
        "to_sec": 40.05,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.46,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0435",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_035",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 11.76,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 40.35
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 18.04
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.66,
        "to_sec": 43.71,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0436",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_036",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 23.67,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.11
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 53.06
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.28,
        "to_sec": 41.37,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0437",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_037",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 25.42,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 19.46
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 40.66
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.55,
        "to_sec": 36.85,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0438",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_038",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 26.34,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 52.33
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.78
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.79,
        "to_sec": 47.32,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0439",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_039",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 18.77,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 27.21
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 38.75
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.21,
        "to_sec": 41.88,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0440",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_040",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 30.69,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 28.52
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 30.27
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 29.84,
        "to_sec": 52.99,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.79,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0441",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_041",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 37.03,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 32.71
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.82
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.76,
        "to_sec": 38.52,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0442",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_042",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 40.7,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 51.82
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 30.32
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.44,
        "to_sec": 41.11,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0443",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_043",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 20.42,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 25.09
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 24.87
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.87,
        "to_sec": 44.02,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0444",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_044",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 7.43,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 48.33
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 31.28
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.35,
        "to_sec": 36.03,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0445",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_045",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 15.41,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 35.32
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 23.7
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 20.33,
        "to_sec": 52.53,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0446",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_046",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 40.88,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 12.54
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 21.52
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.09,
        "to_sec": 53.67,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0447",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_047",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 32.14,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 51.43
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 23.95
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.32,
        "to_sec": 45.83,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0448",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_048",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 9.7,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 31.64
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 20.36
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.59,
        "to_sec": 37.29,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0449",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_049",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 40.52,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 60.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 56.13
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 25.81,
        "to_sec": 50.15,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0450",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_050",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 21.13,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 56.73
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.72
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.29,
        "to_sec": 53.05,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0451",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_051",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 40.43,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 53.16
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 32.13
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.05,
        "to_sec": 52.83,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0452",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_052",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 44.84,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 49.35
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 29.81
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.82,
        "to_sec": 41.4,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0453",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_053",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 23.37,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 25.93
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.98
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.0,
        "to_sec": 49.94,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0454",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_054",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 26.5,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.01
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 27.16
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.37,
        "to_sec": 37.26,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0455",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_055",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 21.7,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 48.19
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 19.91
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.16,
        "to_sec": 49.21,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0456",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_056",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 13.42,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 44.56
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.26
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.56,
        "to_sec": 39.47,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0457",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_057",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 29.91,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 60.55
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.83
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.81,
        "to_sec": 53.33,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0458",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_058",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 6.15,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 50.86
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 44.13
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.83,
        "to_sec": 37.55,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0459",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_059",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 36.73,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 43.12
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 39.04
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.16,
        "to_sec": 41.01,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0460",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_060",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 28.07,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 29.81
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 60.5
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 31.57,
        "to_sec": 37.98,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.51,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0461",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_061",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 8.28,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 12.36
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 64.94
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 34.05,
        "to_sec": 37.34,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0462",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_062",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 19.54,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 54.42
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 65.74
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.35,
        "to_sec": 49.25,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0463",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_063",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 11.11,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.07
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.21
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.55,
        "to_sec": 37.72,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0464",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_064",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 12.03,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 24.97
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 60.49
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.37,
        "to_sec": 43.18,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0465",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_065",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 8.62,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 31.57
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.16
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.55,
        "to_sec": 49.77,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0466",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_066",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 14.37,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 34.27
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 19.3
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 24.49,
        "to_sec": 38.58,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0467",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_067",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 17.08,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 27.14
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.84
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 32.13,
        "to_sec": 47.11,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0468",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_068",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 40.23,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 39.72
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 42.91
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 26.24,
        "to_sec": 49.21,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0469",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_069",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 11.56,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 52.93
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 59.32
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 22.64,
        "to_sec": 42.79,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0470",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_070",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 19.45,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 34.97
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 47.58
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.57,
        "to_sec": 42.5,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.55,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0471",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_071",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 33.21,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 38.63
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 51.48
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.46,
        "to_sec": 43.51,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0472",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_072",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 20.66,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 39.57
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.43
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 21.36,
        "to_sec": 39.63,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0473",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_073",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 41.18,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 55.97
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 42.76
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 24.08,
        "to_sec": 37.26,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0474",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_074",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 11.06,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 15.48
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 66.7
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.63,
        "to_sec": 40.87,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0475",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_075",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 28.66,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 28.57
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 37.8
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 22.16,
        "to_sec": 38.02,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0476",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_076",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 38.88,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 46.64
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 68.85
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.1,
        "to_sec": 38.59,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0477",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_077",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 18.77,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 21.85
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 25.04
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.89,
        "to_sec": 46.42,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0478",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_078",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 18.03,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.68
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.53
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 30.01,
        "to_sec": 52.68,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0479",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_079",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 25.44,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 51.21
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 59.59
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 26.18,
        "to_sec": 48.46,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0480",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_000",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 11.79,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 52.07
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 46.35
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 27.71,
        "to_sec": 41.13,
        "reason_hint": "exposition_repeat"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.18,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0481",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_001",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 11.71,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 25.13
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 61.5
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.96,
        "to_sec": 48.59,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.23,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0482",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_002",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 16.96,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 29.39
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 40.35
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.44,
        "to_sec": 40.99,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.28,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0483",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_003",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 23.29,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 40.72
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 25.37
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 28.56,
        "to_sec": 52.23,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 2,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": false,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.33,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0484",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_004",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 8.93,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 32.15
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 57.65
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.45,
        "to_sec": 52.67,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.38,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0485",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_005",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 18.82,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 43.13
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 34.59
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 25.82,
        "to_sec": 46.05,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.18,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0486",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_006",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 40.89,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 47.66
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 49.73
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.31,
        "to_sec": 46.55,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.23,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0487",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_007",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 38.66,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 38.49
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 55.91
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.42,
        "to_sec": 52.04,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.28,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0488",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_008",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p02",
      "quote": "纸灯、莲灯、鱼灯从石缝上方映下来，把暗渠照得忽红忽白。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 40.17,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 45.44
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 39.94
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 20.58,
        "to_sec": 44.35,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "灯市和暗渠对照很漂亮，可以多保留这种上下空间反差。",
      "bound_event_type": "comment",
      "adaptation_effect": "第四章继续用地上热闹与地下危险并行。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.33,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0489",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_009",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p04",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p04",
      "quote": "沈家旧案，不在卷宗，在水下。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 7.06,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 50.01
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 52.46
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.16,
        "to_sec": 47.21,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "favorite",
      "adaptation_effect": "保留水下旧案为主线，不用旁白一次性说明真相。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.38,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0490",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_010",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p08",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p08",
      "quote": "船棺里没有尸体，只有一件被水浸透的官袍和半块烧焦的账册。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 21.89,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 50.9
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 48.93
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 21.83,
        "to_sec": 41.53,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "这个反转强，账册可以成为长期证据链。",
      "bound_event_type": "favorite",
      "adaptation_effect": "把账册线索延续到巡夜司和听钟台。",
      "like": false,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.18,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.63,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0491",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_011",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p14",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p14",
      "quote": "她想问父亲在哪里，想问这三年是谁替他写信，想问身边这个人为什么有沈家的疤。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 22.2,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 39.47
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 32.26
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 29.76,
        "to_sec": 42.25,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第四章优先确认父亲是否活着，不再同时抛多条身世线。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.68,
      "fatigue": 0.23,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.74,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0492",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_012",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p02",
      "quote": "父亲留下的铜钥匙贴在她腕内，冰冷得像一条小蛇。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 38.81,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 41.88
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 52.89
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 33.93,
        "to_sec": 42.01,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "喜欢钥匙和鳞纹这种能连接旧案的物件，下一章要让它们真正触发机关。",
      "bound_event_type": "comment",
      "adaptation_effect": "下一章提前让铜钥匙试开旧水门，减少铺垫。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.72,
      "fatigue": 0.28,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.71,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0493",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_013",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p05",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p05",
      "quote": "真正的陷阱常把答案放在最显眼处。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 22.68,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 34.59
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 22.04
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 30.17,
        "to_sec": 50.02,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "comment",
      "adaptation_effect": "后续让沈绾先识破假线索，再进入危险。",
      "like": true,
      "favorite": false,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.76,
      "fatigue": 0.33,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.82,
      "fatigue": 0.41,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0494",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_014",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p12",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p12",
      "quote": "所谓天意，原来只是水压、铜管和一群人的胆量。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "不要大段解释设定，我想从行动里知道真相。",
        "timestamp_sec": 9.55,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 21.16
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 33.72
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 27.61,
        "to_sec": 41.28,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "揭秘机制很棒，喜欢把玄疑落到机关和人谋上。",
      "bound_event_type": "favorite",
      "adaptation_effect": "继续把神秘现象拆成可验证机关。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.8,
      "fatigue": 0.38,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.86,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0495",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_015",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "玄幻悬疑",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p09",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p09",
      "quote": "水面忽然向两侧分开，露出一道细长的黑缝。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "女主可以更主动一点，不要只被剧情推着走。",
        "timestamp_sec": 22.86,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 24.44
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 28.56
      },
      {
        "type": "fast_forward",
        "value": true,
        "from_sec": 32.27,
        "to_sec": 53.3,
        "reason_hint": "exposition_repeat"
      }
    ],
    "simulated_feedback": {
      "rating": 3,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "下一章开头直接进入黑缝与旧水门，不跳场。",
      "like": false,
      "favorite": true,
      "fast_forward": true,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.48,
      "fatigue": 0.18,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.47,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0496",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_016",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "赛博都市",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p02",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p02",
      "quote": "二响之后，借月开门。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声 / warm, gentle young female voice",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这里我快进了，重复信息太多。",
        "timestamp_sec": 32.64,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 39.3
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 19.57
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.05,
        "to_sec": 51.22,
        "reason_hint": "none"
      },
      {
        "type": "seek_back",
        "value": true,
        "from_sec": 47.2,
        "to_sec": 31.5,
        "reason_hint": "relisten_voice_or_key_plot"
      }
    ],
    "simulated_feedback": {
      "rating": 5,
      "comment": "机关开门很有画面，喜欢月光和钥匙配合。",
      "bound_event_type": "like",
      "adaptation_effect": "第三章保留物件触发机关的写法。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": true
    },
    "hidden_user_state_before": {
      "trust": 0.52,
      "fatigue": 0.23,
      "pacing_preference": "更快推进",
      "voice_preference": "Serena 女声 / warm, gentle young female voice"
    },
    "hidden_user_state_after": {
      "trust": 0.58,
      "fatigue": 0.21,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0497",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_017",
    "chapter_id": "ch_03",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "古风权谋",
      "arc": "雨后城墙的密信",
      "chapter_title": "第三章：听钟台的白灯",
      "chapter_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。",
      "paragraph_id": "ch_03_p07",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾潜入灯市与听钟台，发现司灯人伪造钟声，父亲可能仍活在水路尽头。"
    },
    "target_text_span": {
      "paragraph_id": "ch_03_p07",
      "quote": "你只有七息。",
      "source_chapter_id": "ch_03"
    },
    "audio_context": {
      "voice_style": "温柔女声、低声悬疑",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这张图的雨夜感很好，下一段继续这个调性。",
        "timestamp_sec": 14.16,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 42.11
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 35.0
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 23.55,
        "to_sec": 36.98,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "like",
      "adaptation_effect": "后续动作段保持短时限目标。",
      "like": true,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.56,
      "fatigue": 0.28,
      "pacing_preference": "慢热但要有悬念",
      "voice_preference": "温柔女声、低声悬疑"
    },
    "hidden_user_state_after": {
      "trust": 0.62,
      "fatigue": 0.26,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0498",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_018",
    "chapter_id": "ch_01",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "太空歌剧",
      "arc": "雨后城墙的密信",
      "chapter_title": "第一章：雨后城墙的密信",
      "chapter_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。",
      "paragraph_id": "ch_01_p06",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾在雨后外城墙找到火漆密信和银色鱼鳞，第二声钟把她推向旧水门。"
    },
    "target_text_span": {
      "paragraph_id": "ch_01_p06",
      "quote": "司灯人不属于官署，却总能比官署更早出现在死人旁边。",
      "source_chapter_id": "ch_01"
    },
    "audio_context": {
      "voice_style": "清澈年轻女声、转折前停顿",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "节奏可以更紧一点，但别丢掉这种安静的悬念。",
        "timestamp_sec": 38.53,
        "target": "audio_or_scene",
        "polarity": "mixed"
      },
      {
        "type": "like",
        "value": false,
        "timestamp_sec": 55.5
      },
      {
        "type": "favorite",
        "value": false,
        "timestamp_sec": 54.47
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 31.84,
        "to_sec": 48.5,
        "reason_hint": "none"
      },
      {
        "type": "pause",
        "value": true,
        "timestamp_sec": 28.0,
        "reason_hint": "visual_attention"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "设定有意思但略像说明，可以用行动表现司灯人的危险。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "后续让司灯人直接搜身/灭灯，避免大段背景解释。",
      "like": false,
      "favorite": false,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.6,
      "fatigue": 0.33,
      "pacing_preference": "动作和情绪交替",
      "voice_preference": "清澈年轻女声、转折前停顿"
    },
    "hidden_user_state_after": {
      "trust": 0.59,
      "fatigue": 0.31,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  },
  {
    "record_id": "usim_0499",
    "schema_version": "v8.user_simulator_interaction.v1",
    "user_id": "u_019",
    "chapter_id": "ch_02",
    "source": "synthetic_audio_novel_interaction",
    "license_class": "synthetic_public_demo",
    "story_context": {
      "genre": "克苏鲁海边小镇",
      "arc": "雨后城墙的密信",
      "chapter_title": "第二章：旧水门下的灯",
      "chapter_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。",
      "paragraph_id": "ch_02_p10",
      "chapter_goal": "把用户反馈绑定到具体章节段落，下一章据此改变节奏、线索和声音。",
      "previous_generation_summary": "沈绾穿过旧水门，发现水下暗仓、盲女阿芜和父亲留下的第二枚钥齿。"
    },
    "target_text_span": {
      "paragraph_id": "ch_02_p10",
      "quote": "三条暗渠，一条通往南仓废墟，一条通往巡夜司后院，最后一条则通向皇城北面的听钟台。",
      "source_chapter_id": "ch_02"
    },
    "audio_context": {
      "voice_style": "Serena 女声、克制但有画面感",
      "tts_backend": "Qwen/Qwen3-TTS-12Hz-0.6B-CustomVoice",
      "speaker": "Serena",
      "voice_profile": "Serena 女声 / warm, gentle young female voice",
      "sample_rate": 24000,
      "scene_images": 3,
      "player_mode": "NetEase Cloud Music style audiobook player"
    },
    "interaction_events": [
      {
        "type": "comment",
        "text": "这段氛围很好，声音可以再压低一点。",
        "timestamp_sec": 17.68,
        "target": "audio_or_scene",
        "polarity": "positive"
      },
      {
        "type": "like",
        "value": true,
        "timestamp_sec": 58.35
      },
      {
        "type": "favorite",
        "value": true,
        "timestamp_sec": 36.01
      },
      {
        "type": "fast_forward",
        "value": false,
        "from_sec": 28.22,
        "to_sec": 49.25,
        "reason_hint": "none"
      }
    ],
    "simulated_feedback": {
      "rating": 4,
      "comment": "女主可以更主动一点，不要只被剧情推着走。",
      "bound_event_type": "fast_forward",
      "adaptation_effect": "第三章只走听钟台路线，其余作为后续悬念。",
      "like": true,
      "favorite": true,
      "fast_forward": false,
      "continue_next": true,
      "reread_or_relisten": false
    },
    "hidden_user_state_before": {
      "trust": 0.64,
      "fatigue": 0.38,
      "pacing_preference": "减少设定解释",
      "voice_preference": "Serena 女声、克制但有画面感"
    },
    "hidden_user_state_after": {
      "trust": 0.7,
      "fatigue": 0.36,
      "active_expectation": "下一章要更快出现可验证线索",
      "audio_preference_update": "旁白压低、转折前留 0.3s 停顿"
    },
    "tts_constraints": {
      "language": "Chinese",
      "speaker": "Serena",
      "voice_directives": [
        "Serena 女声",
        "温柔清澈",
        "悬疑段落降低语速",
        "角色台词与旁白分层"
      ],
      "avoid": [
        "机械式断句",
        "过度戏剧化尖叫",
        "把评论读出来"
      ]
    },
    "future_probe": {
      "positive": "下一章第三段给出密信第一条线索并保持雨夜声线",
      "anti_probe": "不要把所有章节都改成追逐戏",
      "neutral": "保留角色关系与世界观一致性"
    }
  }
]