{
  "project_id": "EP##_yyyy-mm-dd_slug",
  "episode_id": "EP##",
  "episode_number": 0,
  "title": "第 ## 集：<主題>",
  "theme": "",
  "current_stage": "script",
  "progress_percent": 0,
  "blocked": false,
  "blocker": "",
  "next_action": "建立本集短句清單與 final story。",
  "updated_at": "",
  "stages": [
    {"id": "script", "name": "本集短句清單 / 腳本", "status": "pending", "updated_at": "", "notes": "每集獨立"},
    {"id": "final_story", "name": "本集 Final story early gate", "status": "pending", "updated_at": "", "notes": "每集獨立故事"},
    {"id": "prompts", "name": "本集 ChatArtPro prompts", "status": "pending", "updated_at": "", "notes": ""},
    {"id": "character_images", "name": "本集使用角色 / reference", "status": "pending", "updated_at": "", "notes": "可引用 shared/Mia/Leo，也可新增本集角色"},
    {"id": "keyframes", "name": "本集 Keyframes", "status": "pending", "updated_at": "", "notes": "ChatArtPro 優先"},
    {"id": "source_videos", "name": "本集 Source clips / I2V", "status": "pending", "updated_at": "", "notes": "ChatArtPro 優先"},
    {"id": "visual_qa", "name": "本集視覺 QA", "status": "pending", "updated_at": "", "notes": ""},
    {"id": "audio_qa", "name": "本集音訊 / STT QA", "status": "pending", "updated_at": "", "notes": ""},
    {"id": "assembly", "name": "本集字幕與組裝", "status": "pending", "updated_at": "", "notes": "FFmpeg/Python"},
    {"id": "final_review", "name": "本集最終審核 / 交付", "status": "pending", "updated_at": "", "notes": ""}
  ]
}