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/occupancies/occupancy-import-template.spec.ts

@@ -5,7 +5,7 @@ import {
 } from './occupancy-import-template';
 
 describe('occupancy import template', () => {
-  it('includes the current occupancy fields including bed and locker numbers', () => {
+  it('includes the current occupancy fields including separate student and ID numbers', () => {
     const workbook = createOccupancyImportTemplateWorkbook();
     const ws = workbook.getWorksheet('入住名单导入模板')!;
     const headers = ws.getRow(1).values as unknown[];
@@ -18,11 +18,14 @@ describe('occupancy import template', () => {
         '柜子号',
         '计费起始日',
         '电话',
+        '学号',
+        '身份证号',
         '入住类型',
         '备注',
       ]),
     );
     expect(headers).not.toContain('所属机构');
+    expect(headers).not.toContain('学号/身份证');
     expect(ws.columnCount).toBe(OCCUPANCY_IMPORT_COLUMNS.length);
   });
 
@@ -32,6 +35,7 @@ describe('occupancy import template', () => {
     const instructions = helpWs.getColumn(1).values.join('\n');
 
     expect(instructions).toContain('按手机号关联已有学生');
+    expect(instructions).toContain('学号和身份证号为两个独立字段');
     expect(instructions).toContain('所属机构自动取学生档案');
     expect(instructions).toContain('导入时自动收押金');
     expect(instructions).toContain('历史入住不会自动收取');
@@ -40,9 +44,9 @@ describe('occupancy import template', () => {
   it('keeps Excel Date cells on the same local calendar day', () => {
     const workbook = createOccupancyImportTemplateWorkbook();
     const ws = workbook.getWorksheet('入住名单导入模板')!;
-    ws.getCell('J2').value = new Date(2026, 3, 21);
-    ws.getCell('K2').value = new Date(2026, 3, 22);
-    ws.getCell('L2').value = new Date(2026, 3, 30);
+    ws.getCell('K2').value = new Date(2026, 3, 21);
+    ws.getCell('L2').value = new Date(2026, 3, 22);
+    ws.getCell('M2').value = new Date(2026, 3, 30);
 
     expect(parseOccupancyImportWorksheet(ws)[0]).toMatchObject({
       checkInDate: '2026-04-21',
@@ -62,6 +66,8 @@ describe('occupancy import template', () => {
       bedNumber: '1号床',
       lockerNumber: 'A01',
       name: '张三',
+      studentNo: '2024001',
+      idNumber: '11010120060101001X',
       checkInDate: '2026-04-21',
       billingStartDate: '2026-04-21',
       stayType: 'short',
@@ -69,6 +75,8 @@ describe('occupancy import template', () => {
     expect(rows[1]).toMatchObject({
       bedNumber: '2号床',
       lockerNumber: 'A02',
+      studentNo: '2024002',
+      idNumber: '11010120060202002X',
       stayType: 'long',
     });
   });