{
  "schema_version": 1,
  "input_id": "DEMO-PRODUCT-01",
  "product_name": "示例无标识随行杯",
  "facts_source": "自己的商品原图和已确认商品资料",
  "first_frame_url": "https://YOUR-PUBLIC-IMAGE-HOST/product.png",
  "preserve": ["杯身颜色", "杯盖形状", "把手位置", "数量为一个"],
  "motion": "镜头缓慢推进，商品保持原有形状和位置，背景光线轻微变化",
  "avoid": ["新增文字", "新增人物", "商品旋转变形", "虚构容量或认证"],
  "requested": {"duration_seconds": 4, "resolution": "720p", "ratio": "1:1", "generate_audio": false},
  "acceptance": {"full_playback": "pending", "subject_identity": "pending", "text_and_claims": "pending", "technical_check": "pending", "audio_requirement": "pending", "actual_billing": "unverified"},
  "note": "结构与验收模板，不是已完成任务；参数须按当前型号和通道核对。"
}