{
  "主题": "中控主机重启后场景状态还在吗：做一次冷启动核对",
  "证据类型": "编辑构造的合成样例；不是设备实测",
  "演示输入": {
    "devices": [
      {
        "id": "A",
        "cached": "on",
        "readback": "standby",
        "expected": "standby"
      },
      {
        "id": "B",
        "cached": "on",
        "readback": null,
        "expected": "unknown"
      },
      {
        "id": "C",
        "cached": "output1",
        "readback": null,
        "expected": "unconfirmed"
      }
    ]
  },
  "现场空白记录": {
    "中控版本": "",
    "保存时刻": "",
    "启动时刻": "",
    "缓存值": "",
    "实际回读": "",
    "现场状态": "",
    "差异处理": ""
  }
}