feat: DingTalk attendance import + integration config + expense types + UI polish

Server:
- Add DingTalk attendance import service with SSE progress streaming
- Add IntegrationConfig entity & module for multi-tenant DingTalk setup
- Add ExpenseType entity & ExpenseTypesModule
- Add SeedModule for DB initialization
- Add UserDingMapping entity for DingTalk user linkage
- Attendance service: import flow with dedup & student auto-mapping
- Rooms service: time-range overlap queries
- Sync controller/service: DingTalk integration wiring
- Permission guard: refactor to pure re-export
- Campus scope middleware: tenant-aware filtering

Admin UI:
- Attendance page: import UI with progress & result summary
- All pages: tableStyle/tablePagination standardization
- Login page: responsive styling
- Sensitive data: useViewSensitive hook for masked viewing
- Vite config: path aliases, build optimization
- Test infra: vitest config, test utilities

Docs: PRD DingTalk batch 1 & 2 design docs

apps/server/src/main.ts

@@ -11,7 +11,7 @@ async function bootstrap() {
   app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
   const dataSource = app.get(DataSource);
   await seedDefaultCampus(dataSource);
-  await app.listen(process.env.PORT ?? 3003);
-  console.log(`Server running on http://localhost:${process.env.PORT ?? 3003}`);
+  await app.listen(process.env.PORT ?? 3000);
+  console.log(`Server running on http://localhost:${process.env.PORT ?? 3000}`);
 }
 bootstrap();