{
  "主题": "两块中控平板同时操作，怎样确认谁的场景最终生效",
  "证据类型": "编辑构造的合成样例；不是设备实测",
  "演示输入": {
    "initial_version": 7,
    "requests": [
      {
        "client": "A",
        "expected_version": 7,
        "scene": "narration"
      },
      {
        "client": "B",
        "expected_version": 7,
        "scene": "close"
      }
    ],
    "expected_winner": "A",
    "expected_version": 8
  },
  "现场空白记录": {
    "主机版本": "",
    "仲裁规则": "",
    "控制权有效期": "",
    "当前任务处理": "",
    "A最终显示": "",
    "B最终显示": ""
  }
}