{
  "主题": "Modbus 写入超时后要不要重发：怎样避免动作重复",
  "证据类型": "编辑构造的合成样例；不是设备实测",
  "演示输入": {
    "cases": [
      {
        "kind": "setpoint",
        "target": 30,
        "applied": true,
        "response_received": false,
        "readback": 30,
        "expected_retry": false
      },
      {
        "kind": "trigger",
        "applied": true,
        "response_received": false,
        "readback": null,
        "expected_retry": false
      }
    ],
    "trigger_policy": "manual_or_action_counter"
  },
  "现场空白记录": {
    "机型": "",
    "寄存器": "",
    "副作用类型": "",
    "回包是否收到": "",
    "回读/计数证据": "",
    "重试决定": "",
    "动作次数": ""
  }
}