feat(M04-C): 完成续费换房与订单调整

backend/src/app.ts

@@ -33,6 +33,9 @@ import { registerPricingRoutes, type PricingRouteOptions } from './routes/pricin
 import {
   registerOrderStateRoutes, type OrderStateRouteOptions
 } from './routes/order-state.js';
+import {
+  registerOrderManagementRoutes, type OrderManagementRouteOptions
+} from './routes/order-management.js';
 
 export interface BuildAppOptions {
   config?: AppConfig;
@@ -45,6 +48,7 @@ export interface BuildAppOptions {
   storeAccess?: StoreAccessRouteOptions;
   pricing?: PricingRouteOptions;
   orderState?: OrderStateRouteOptions;
+  orderManagement?: OrderManagementRouteOptions;
 }
 
 declare module 'fastify' {
@@ -114,6 +118,9 @@ export async function buildApp(options: BuildAppOptions = {}): Promise<FastifyIn
   if (options.orderState) {
     await registerOrderStateRoutes(app, options.orderState);
   }
+  if (options.orderManagement) {
+    await registerOrderManagementRoutes(app, options.orderManagement);
+  }
 
   return app;
 }