fix(server): 清理 lint 未使用变量警告

apps/server/src/classes/classes.teacher-subjects.spec.ts

@@ -1,6 +1,6 @@
 import { BadRequestException } from '@nestjs/common';
 import { ClassesService, normalizeTeacherSubjects } from './classes.service';
-import { Class, ClassStudent, ClassTeacher, TeacherRoleType } from '../entities';
+import { ClassStudent, ClassTeacher, TeacherRoleType } from '../entities';
 
 /** 模拟 TypeORM EntityManager：按实体类型分发 create/save/find/update，
  *  班级/学生/教师写入走各自 repo mock，供 create() 事务化后的测试使用。 */

apps/server/src/occupancies/occupancies.controller.ts

@@ -160,7 +160,7 @@ export class OccupanciesController {
     return withAuditLog(
       this.logService,
       req,
-      (result) => ({
+      () => ({
         module: '入住管理',
         action: '编辑入住记录',
         targetId: +id,