1. 增加了嵌入式rpc的dto封装，负责中转来自嵌入式设备的信息，支持tcp,websocket,serial常见的通信方式。嵌入式rpc框架可见Yosuga_embedded.

src/DAO/Src/DeviceDataTransferObject.cpp

@@ -0,0 +1,48 @@
+//
+// Created by Yosuga on 2026/4/25.
+//
+
+#include "DeviceDataTransferObject.h"
+
+DeviceDataTransferObject::DeviceDataTransferObject(
+    QString action,
+    QString deviceId,
+    QJsonObject payload
+) : m_action(std::move(action))
+  , m_deviceId(std::move(deviceId))
+  , m_payload(std::move(payload))
+{
+}
+
+DeviceDataTransferObject DeviceDataTransferObject::fromJson(const QJsonObject& json)
+{
+    DeviceDataTransferObject obj;
+    obj.m_action = json.value("action").toString("device_command");
+    obj.m_deviceId = json.value("device_id").toString("");
+    QJsonValue payloadVal = json.value("payload");
+    if (payloadVal.isString()) {
+        obj.m_payload["rpc_call"] = payloadVal.toString();
+    } else if (payloadVal.isObject()) {
+        obj.m_payload = payloadVal.toObject();
+    }
+    return obj;
+}
+
+QJsonObject DeviceDataTransferObject::toJson() const
+{
+    QJsonObject json;
+    json["action"] = m_action;
+    if (!m_deviceId.isEmpty()) {
+        json["device_id"] = m_deviceId;
+    }
+    json["payload"] = m_payload;
+    return json;
+}
+
+DeviceDataTransferObject& DeviceDataTransferObject::setData(const QString& key, const QJsonValue& value)
+{
+    if (key == "action") m_action = value.toString();
+    else if (key == "device_id") m_deviceId = value.toString();
+    else if (key == "payload") m_payload = value.toObject();
+    return *this;
+}