feat(classes): add schedule and attendance-summary endpoints + frontend tabs

- Add GET /classes/:id/schedule returning ClassSchedule list with classroom name
- Add GET /classes/:id/attendance-summary returning attendance/absence/late rates
- Add 课表 and 出勤汇总 tabs to Classes detail page
- Register ClassSchedule and AttendanceRecord in ClassesModule

apps/server/src/classes/classes.controller.ts

@@ -19,6 +19,8 @@ import {
   QueryClassDto,
   AddStudentsDto,
   AddTeacherDto,
+  QueryClassScheduleDto,
+  QueryClassAttendanceSummaryDto,
 } from './dto/class.dto';
 import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
 import { OperationLogsService } from '../operation-logs/operation-logs.service';
@@ -49,6 +51,21 @@ export class ClassesController {
     return this.service.findOne(+id);
   }
 
+  @Get(':id/schedule')
+  @RequirePermission('class:view')
+  getSchedule(@Param('id') id: string, @Query() query: QueryClassScheduleDto) {
+    return this.service.getSchedule(+id, query);
+  }
+
+  @Get(':id/attendance-summary')
+  @RequirePermission('class:view')
+  getAttendanceSummary(
+    @Param('id') id: string,
+    @Query() query: QueryClassAttendanceSummaryDto,
+  ) {
+    return this.service.getAttendanceSummary(+id, query);
+  }
+
   @Post()
   @RequirePermission('class:create')
   async create(@Body() dto: CreateClassDto, @Request() req: any) {