feat: 拆分学号/身份证字段 + 考勤教师展示 + 代码优化

- 入住导入模板：学号和身份证号拆为独立字段，前后端对齐
- 排课查询关联教师，考勤归档页展示教师姓名
- 抽查时段增加 IsIn 校验
- 抽取 withPessimisticWriteLock 去重悲观锁查询
- import 增加文件空 buffer 校验
- 测试 mock 补全，适配事务 manager
- MySQL init.sql VALUES() 语法兼容修复

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

@@ -12,6 +12,7 @@ import {
   ClassSchedule,
   ClassStudent,
   ClassTeacher,
+  TeacherRoleType,
   ScheduleType,
   StudentDingMapping,
 } from '../entities';
@@ -970,8 +971,12 @@ export class AttendanceService {
 
   async getScheduleOptionsForAttendance(classId: number, date: string) {
     const weekDay = this.getWeekDayForDate(date);
-    return this.scheduleRepo
+    const { entities, raw } = await this.scheduleRepo
       .createQueryBuilder('cs')
+      .leftJoin('cs.teacher', 'teacher')
+      .addSelect('cs.id', 'scheduleIdForTeacherMap')
+      .addSelect('teacher.username', 'teacherUsername')
+      .addSelect('teacher.name', 'teacherName')
       .where('cs.classId = :classId', { classId })
       .andWhere('cs.weekDay = :weekDay', { weekDay })
       .andWhere('cs.startDate <= :date', { date })
@@ -979,7 +984,25 @@ export class AttendanceService {
       .andWhere('cs.status = :status', { status: 'active' })
       .orderBy('cs.startTime', 'ASC')
       .addOrderBy('cs.subject', 'ASC')
-      .getMany();
+      .getRawAndEntities();
+
+    const teacherByScheduleId = new Map(
+      raw.map((row) => [
+        Number(row.scheduleIdForTeacherMap),
+        {
+          teacherName: row.teacherName || null,
+          teacherUsername: row.teacherUsername || null,
+        },
+      ]),
+    );
+
+    return entities.map((schedule, index) => {
+      const teacher = teacherByScheduleId.get(schedule.id) ?? {
+        teacherName: raw[index]?.teacherName || null,
+        teacherUsername: raw[index]?.teacherUsername || null,
+      };
+      return { ...schedule, ...teacher };
+    });
   }
 
   private async buildCalendar(classId: number, weekStart: string) {
@@ -1095,9 +1118,51 @@ export class AttendanceService {
     if (classIds.length === 0) return [];
 
     const where = { id: In(classIds) };
-    const classes = await this.classRepo.find({ where });
+    const [classes, teachers] = await Promise.all([
+      this.classRepo.find({ where }),
+      this.classTeacherRepo.find({
+        where: {
+          classId: In(classIds),
+          roleType: In([
+            TeacherRoleType.HEAD_TEACHER,
+            TeacherRoleType.LIFE_TEACHER,
+            TeacherRoleType.SUBJECT_TEACHER,
+          ]),
+        },
+        relations: ['user'],
+        order: { roleType: 'ASC', id: 'ASC' },
+      }),
+    ]);
     const nameMap = new Map(classes.map((c) => [c.id, c.name]));
-    return classIds.map((id) => ({ classId: id, className: nameMap.get(id) || `班级${id}` }));
+    const teacherMap = new Map<
+      number,
+      Array<{
+        userId: number;
+        username: string | null;
+        name: string | null;
+        roleType: string;
+        subject: string | null;
+      }>
+    >();
+
+    for (const teacher of teachers) {
+      const user = teacher.user as { username?: string | null; name?: string | null } | undefined;
+      const items = teacherMap.get(teacher.classId) ?? [];
+      items.push({
+        userId: teacher.userId,
+        username: user?.username || null,
+        name: user?.name || null,
+        roleType: teacher.roleType,
+        subject: teacher.subject || null,
+      });
+      teacherMap.set(teacher.classId, items);
+    }
+
+    return classIds.map((id) => ({
+      classId: id,
+      className: nameMap.get(id) || `班级${id}`,
+      teachers: teacherMap.get(id) ?? [],
+    }));
   }
 
   // ── DingAttendance raw records ──