feat: complete PRD verification fixes and deployment readiness

- Add CommonModule to provide/export CampusScope across business modules
- Replace DepartmentsModule imports with CommonModule in 11 modules
- Add missing Class/Tenant repository imports to StudentsModule and SchedulesModule
- Fix service specs with CampusScope, ClassRepository, StudentRepository mocks
- Move better-sqlite3 to optionalDependencies for production Docker builds
- Rewrite Dockerfiles for monorepo root build context
- Update docker-compose.yml service build contexts

apps/server/src/attendance/attendance.service.spec.ts

@@ -5,6 +5,9 @@ import { Repository } from 'typeorm';
 import { AttendanceService } from './attendance.service';
 import { AttendanceRecord } from '../entities/attendance-record.entity';
 import { DingAttendanceRaw } from '../entities/ding-attendance-raw.entity';
+import { Class } from '../entities/class.entity';
+import { Student } from '../entities/student.entity';
+import { CampusScope } from '../common/campus-scope';
 import { BatchCreateAttendanceDto } from './dto/attendance.dto';
 
 describe('AttendanceService — batchCreate', () => {
@@ -29,12 +32,18 @@ describe('AttendanceService — batchCreate', () => {
     };
 
     const mockDingRepo = {};
+    const mockClassRepo = { find: jest.fn().mockResolvedValue([]) };
+    const mockStudentRepo = { find: jest.fn().mockResolvedValue([]) };
+    const mockCampusScope = { getScopeDepartmentIds: jest.fn().mockResolvedValue(null), filter: jest.fn((w: any) => w) };
 
     const module: TestingModule = await Test.createTestingModule({
       providers: [
         AttendanceService,
         { provide: getRepositoryToken(AttendanceRecord), useValue: mockRepo },
         { provide: getRepositoryToken(DingAttendanceRaw), useValue: mockDingRepo },
+        { provide: getRepositoryToken(Class), useValue: mockClassRepo },
+        { provide: getRepositoryToken(Student), useValue: mockStudentRepo },
+        { provide: CampusScope, useValue: mockCampusScope },
       ],
     }).compile();