{
  "messages": [
    {
      "role": "system",
      "content": "你是影视化改编智能体。程序已经为每个 scene 生成了改编候选，包含时间顺序、场景摘要、保留策略和呈现策略。不得改动 scene_id、source_chunk_id、chronology、candidate_meta。decision 只能在 retain / compress / bridge 中选择。presentation_mode 只能在 dramatize / dialogue / action / narration / montage / exposition 中选择。你只能补充或修正 story_function、adaptation_focus、must_keep、may_compress、visual_focus、audio_focus、continuity_requirements、script_objective、conflict、turning_point、reason。不要直接写剧本，不要改写 chronology。只返回 JSON。"
    },
    {
      "role": "user",
      "content": "请基于场景、时间线、实体上下文，以及程序生成的影视化改编候选，输出一个更适合后续 screenplay 阶段消费的 scene-level adaptation brief。输出必须是严格 JSON，键为：scene_id, decision, presentation_mode, story_function, adaptation_focus, must_keep, may_compress, visual_focus, audio_focus, continuity_requirements, script_objective, conflict, turning_point, reason。scene_id 必须与输入一致；不得新增其他顶层键。必须保留 chronology 所表达的时间模式与顺序差，不得自行重排或删改时间结构。must_keep / may_compress / visual_focus / audio_focus / continuity_requirements 都应是短列表。只返回单个 JSON 对象，不要 markdown，不要代码块。如果无法判断，至少返回原候选中的 scene_id、decision 和 presentation_mode。\n\nSCENE:\n{\"candidate_id\": \"C0004-SC02\", \"title\": \"第三回标题\", \"summary\": \"第三回标题：徐英公传檄起义兵，骆主簿修书寄良友。\", \"type\": [\"章节标题\"], \"tone\": [\"中性\"], \"importance\": \"结构\", \"presentation\": [\"标题画面\"], \"key_beats\": [\"第三回标题\"], \"characters\": [], \"locations\": [], \"entity_refs\": [], \"continuation_of_prev\": false, \"source_chunk_id\": \"C0004\", \"source_start_para\": 5, \"source_end_para\": 5, \"text\": \"第三回     徐英公傳檄起義兵　駱主簿修書寄良友\", \"text_preview\": \"第三回 徐英公傳檄起義兵 駱主簿修書寄良友\", \"candidate_meta\": {\"candidate_id\": \"C0004-SC02\", \"record_count\": 1, \"char_len\": 25, \"structure_counts\": {\"chapter_heading\": 1}, \"boundary_reasons_after\": [], \"matched_entities\": [], \"entity_refs\": [], \"heuristic_types\": [\"叙事\"], \"heuristic_tones\": [\"中性\"], \"heuristic_presentation\": [\"叙事画面\"], \"heuristic_importance\": \"支线\"}, \"scene_id\": \"S0004\"}\n\nCHRONOLOGY:\n{\"scene_id\": \"S0004\", \"title\": \"第三回标题\", \"summary\": \"第三回标题：徐英公传檄起义兵，骆主簿修书寄良友。\", \"characters\": [], \"locations\": [], \"key_beats\": [\"第三回标题\"], \"source_chunk_id\": \"C0004\", \"source_start_para\": 5, \"source_end_para\": 5, \"continuation_of_prev\": false, \"narrative_order\": 4, \"time_mode\": \"mainline\", \"confidence\": 0.56, \"temporal_anchor\": {\"label\": \"\", \"normalized_label\": \"unknown\", \"anchor_type\": \"unknown\", \"relative_direction\": \"unknown\", \"amount\": null, \"unit\": \"\", \"time_of_day\": \"\", \"explicit\": false, \"anchor_scene_id\": \"S0002\"}, \"temporal_evidence\": [], \"constraints\": [{\"relation\": \"after\", \"target_scene_id\": \"S0002\", \"confidence\": 0.58, \"reason\": \"narrative_forward\"}], \"similarity_to_prev\": 0.0, \"text_preview\": \"第三回 徐英公傳檄起義兵 駱主簿修書寄良友\", \"story_chronology_group\": \"CG0004\", \"story_chronology_order\": 4}\n\nENTITY CONTEXT:\nNone\n\nADAPTATION CANDIDATE:\n{\"scene_id\": \"S0004\", \"source_chunk_id\": \"C0004\", \"scene_summary\": \"第三回标题：徐英公传檄起义兵，骆主簿修书寄良友。\", \"chronology\": {\"scene_id\": \"S0004\", \"narrative_order\": 4, \"story_chronology_order\": 4, \"story_chronology_group\": \"CG0004\", \"time_mode\": \"mainline\", \"confidence\": 0.56, \"order_delta\": 0, \"temporal_anchor\": {\"label\": \"\", \"normalized_label\": \"unknown\", \"anchor_type\": \"unknown\", \"relative_direction\": \"unknown\", \"amount\": null, \"unit\": \"\", \"time_of_day\": \"\", \"explicit\": false, \"anchor_scene_id\": \"S0002\"}, \"constraints\": [{\"relation\": \"after\", \"target_scene_id\": \"S0002\", \"confidence\": 0.58, \"reason\": \"narrative_forward\"}], \"evidence\": []}, \"decision\": \"retain\", \"presentation_mode\": \"dramatize\", \"story_function\": [\"主线推进\"], \"adaptation_focus\": \"第三回标题：徐英公传檄起义兵，骆主簿修书寄良友。\", \"must_keep\": [\"第三回标题\", \"第三回标题：徐英公传檄起义兵，骆主簿修书寄良友。\"], \"may_compress\": [], \"visual_focus\": [\"第三回标题\"], \"audio_focus\": [\"以叙述清晰为先\"], \"continuity_requirements\": [], \"script_objective\": \"完整呈现并推进戏剧动作：第三回标题\", \"conflict\": \"\", \"turning_point\": \"第三回标题：徐英公传檄起义兵，骆主簿修书寄良友。\", \"reason\": \"default_retain；default_dramatize\", \"candidate_meta\": {\"scene_id\": \"S0004\", \"decision_reasons\": [\"default_retain\"], \"presentation_reasons\": [\"default_dramatize\"], \"metrics\": {\"text_length\": 84, \"quote_count\": 0, \"action_score\": 0, \"exposition_score\": 0, \"inner_score\": 0, \"transition_score\": 0, \"reveal_score\": 0, \"tension_score\": 0, \"environment_score\": 0, \"character_count\": 0, \"location_count\": 0, \"beat_count\": 1, \"continuation_of_prev\": false, \"time_mode\": \"mainline\", \"order_delta\": 0}, \"characters\": [], \"locations\": [], \"key_beats\": [\"第三回标题\"], \"entity_refs\": []}}"
    }
  ]
}