syntax = "proto3";

package cmvr.api;

import "google/protobuf/timestamp.proto";

message DeviceLifecycle {
    enum Lifecycle {
        STATE_INIT = 0;
        STATE_READY = 1;
        STATE_RUNNING = 2;
        STATE_ERROR = 3;
        STATE_ESTOP = 4;
        STATE_STOP = 5;
    }
    Lifecycle state = 1;
}

message CommandHeader {
    message Request {
        string device_id = 1;                      // 目标设备名称
        google.protobuf.Timestamp timestamp = 2;     // 请求时间
    }

    message Feedback {
        bool success = 1;                             // 是否成功
        string error_message = 2;                     // 错误信息（成功时为空）
        google.protobuf.Timestamp timestamp = 3;      // 回复时间
    }
}