feat: DingTalk attendance import + integration config + expense types + UI polish

Server:
- Add DingTalk attendance import service with SSE progress streaming
- Add IntegrationConfig entity & module for multi-tenant DingTalk setup
- Add ExpenseType entity & ExpenseTypesModule
- Add SeedModule for DB initialization
- Add UserDingMapping entity for DingTalk user linkage
- Attendance service: import flow with dedup & student auto-mapping
- Rooms service: time-range overlap queries
- Sync controller/service: DingTalk integration wiring
- Permission guard: refactor to pure re-export
- Campus scope middleware: tenant-aware filtering

Admin UI:
- Attendance page: import UI with progress & result summary
- All pages: tableStyle/tablePagination standardization
- Login page: responsive styling
- Sensitive data: useViewSensitive hook for masked viewing
- Vite config: path aliases, build optimization
- Test infra: vitest config, test utilities

Docs: PRD DingTalk batch 1 & 2 design docs

apps/admin/src/pages/Teachers/index.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useState, useCallback } from 'react';
+import React, { useEffect, useState, useCallback, useMemo } from 'react';
 import { Table, Input, Button, Modal, Form, Select, DatePicker, Tag, Space, message } from 'antd';
 import { EditOutlined } from '@ant-design/icons';
 import dayjs from 'dayjs';
@@ -51,6 +51,7 @@ const TeachersPage: React.FC = () => {
   const [search, setSearch] = useState('');
   const [profileModal, setProfileModal] = useState<TeacherRow | null>(null);
   const [form] = Form.useForm<ProfileFormValues>();
+  const [saving, setSaving] = useState(false);
 
   const fetchData = useCallback(async () => {
     setLoading(true);
@@ -73,6 +74,7 @@ const TeachersPage: React.FC = () => {
   const handleSaveProfile = async () => {
     const values = await form.validateFields();
     if (!profileModal) return;
+    setSaving(true);
     try {
       await api.put(`/rbac/teachers/${profileModal.id}/profile`, {
         subjects: values.subjects || [],
@@ -88,10 +90,12 @@ const TeachersPage: React.FC = () => {
         msg = String(e.message);
       }
       message.error(msg);
+    } finally {
+      setSaving(false);
     }
   };
 
-  const columns = [
+  const columns = useMemo(() => [
     { title: '姓名', dataIndex: 'name', key: 'name', width: 120 },
     { title: '用户名', dataIndex: 'username', key: 'username', width: 130 },
     {
@@ -166,7 +170,7 @@ const TeachersPage: React.FC = () => {
         </Button>
       ),
     },
-  ];
+  ], []);
 
   return (
     <div>
@@ -216,6 +220,7 @@ const TeachersPage: React.FC = () => {
         onOk={handleSaveProfile}
         onCancel={() => setProfileModal(null)}
         okText="保存"
+        confirmLoading={saving}
       >
         <Form form={form} layout="vertical">
           <Form.Item name="subjects" label="任教学科">