chore(dev): move local API default port to 3010

Avoid conflict with another local service on 3000; align Vite proxies and docs.

server/dukang-api/.env.example

@@ -8,7 +8,7 @@ DATABASE_URL="mysql://root:root@localhost:6016/dukang_haoke"
 REDIS_URL="redis://localhost:6017"
 JWT_SECRET="dukang-prev1-dev-secret-change-in-prod"
 JWT_EXPIRES_IN="7d"
-PORT=3000
+PORT=3010
 MOCK_SMS=true
 # MOCK_SMS=false 时必填（可与 OSS 共用 RAM）
 ALIYUN_SMS_SIGN_NAME=

server/dukang-api/src/main.ts

@@ -86,7 +86,7 @@ async function bootstrap() {
   app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
   app.useGlobalFilters(new HttpExceptionFilter(app.get(AlertService)));
   app.useGlobalInterceptors(new ResponseInterceptor(), app.get(LoggingInterceptor));
-  const port = process.env.PORT || 3000;
+  const port = process.env.PORT || 3010;
   const cfg = loadAppConfig();
   const smsMode = cfg.mockSms ? 'MOCK' : 'ALIYUN';
   console.log(`[config] NODE_ENV=${process.env.NODE_ENV} MOCK_SMS=${cfg.mockSms} SMS=${smsMode}`);