feat(M06-C): 完成设备协议适配与消息幂等

backend/src/server.ts

@@ -28,6 +28,7 @@ import {
 import { ThirdPartyService } from './third-party/third-party-service.js';
 import { MqttService } from './mqtt/mqtt-service.js';
 import { DeviceRepository } from './devices/device-repository.js';
+import { IotMessageService } from './devices/iot-message-service.js';
 
 const config = loadConfig();
 const pool = createMySqlPool(config);
@@ -38,7 +39,10 @@ const paymentRepository = new PaymentRepository(pool);
 const wechatCredentials = parseWechatPayCredentials(config.payment.wechatCredentialsJson);
 const wechatPayClient = new WechatPayClient(new FetchWechatPayTransport());
 const thirdPartyCredentials = parseThirdPartyCredentials(config.thirdParty.credentialsJson);
-const mqtt = new MqttService(config.mqtt);
+const iotMessages = new IotMessageService(pool);
+const mqtt = new MqttService(config.mqtt, undefined, (topic, payload) =>
+  iotMessages.handle(topic, payload)
+);
 const app = await buildApp({
   config,
   mqtt,