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/attendance/attendance.module.ts

@@ -1,18 +1,22 @@
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
-import { AttendanceRecord, DingAttendanceRaw, Student, Class, ClassSchedule, ClassStudent } from '../entities';
+import { AttendanceRecord, DingAttendanceRaw, Student, Class, ClassSchedule, ClassStudent, UserDingMapping } from '../entities';
 import { AttendanceService } from './attendance.service';
+import { AttendanceImportService } from './attendance-import.service';
 import { AttendanceController } from './attendance.controller';
 import { OperationLogsModule } from '../operation-logs/operation-logs.module';
 import { CommonModule } from '../common/common.module';
+import { IntegrationModule } from '../integration/integration.module';
+
 @Module({
   imports: [
-    TypeOrmModule.forFeature([AttendanceRecord, DingAttendanceRaw, Student, Class, ClassSchedule, ClassStudent]),
+    TypeOrmModule.forFeature([AttendanceRecord, DingAttendanceRaw, Student, Class, ClassSchedule, ClassStudent, UserDingMapping]),
     OperationLogsModule,
     CommonModule,
+    IntegrationModule,
   ],
   controllers: [AttendanceController],
-  providers: [AttendanceService],
-  exports: [AttendanceService],
+  providers: [AttendanceService, AttendanceImportService],
+  exports: [AttendanceService, AttendanceImportService],
 })
 export class AttendanceModule {}