{
  "主题": "讲解员临时插播后，自动讲解应该从哪里继续",
  "证据类型": "编辑构造的合成样例；不是设备实测",
  "演示输入": {
    "checkpoint": {
      "segment": "chapter-02",
      "content_revision": "demo-v1",
      "position_s": 37.5,
      "light_scene": "area-B",
      "volume": 42,
      "owner": "guide-A"
    },
    "resume_policy": "same_revision_and_seek_supported"
  },
  "现场空白记录": {
    "播放器版本": "",
    "定位能力": "",
    "恢复策略": "",
    "素材版本": "",
    "恢复观察": "",
    "插播嵌套规则": ""
  }
}