feat(M06-A): 建立MQTT连接与Broker基础

backend/src/app.ts

@@ -3,7 +3,7 @@ import cors from '@fastify/cors';
 import rateLimit from '@fastify/rate-limit';
 import Fastify, { type FastifyInstance } from 'fastify';
 import { loadConfig, type AppConfig } from './config.js';
-import { registerHealthRoutes } from './routes/health.js';
+import { registerHealthRoutes, type MqttHealthProvider } from './routes/health.js';
 import {
   registerPlatformBootstrapRoutes,
   type PlatformConfigResolver
@@ -57,6 +57,7 @@ export interface BuildAppOptions {
   orderShare?: OrderShareRouteOptions;
   payment?: PaymentRouteOptions;
   thirdParty?: ThirdPartyRouteOptions;
+  mqtt?: MqttHealthProvider;
 }
 
 declare module 'fastify' {
@@ -100,7 +101,7 @@ export async function buildApp(options: BuildAppOptions = {}): Promise<FastifyIn
     });
   });
 
-  await registerHealthRoutes(app, config);
+  await registerHealthRoutes(app, config, options.mqtt);
   if (options.platformConfigRepository) {
     await registerPlatformBootstrapRoutes(app, options.platformConfigRepository);
   }