feat(admin): 弹窗未保存内容保护与空状态引导扩展

- 新增 useDirtyGuard hook:关闭弹窗时若表单被修改,先确认再关闭
- 接入 17 个弹窗:账号/密码/档案、角色、教室、宿舍/床位/柜子、
  考勤机、机构、班级、教师、考试、排课、入住/退宿/换房、费用
  (子组件弹窗用 useEffect 在回填后快照,时序正确)
- 学生列表空状态带「添加学生」引导动作
- 排课创建成功提示「同步钉钉」,考试创建成功提示「去详情录成绩」

aislop scan: 5 引擎 0 issues

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

@@ -32,6 +32,7 @@ import { message } from '../../ui/app-message';
 import { usePermission } from '../../hooks/usePermission';
 import { QueryErrorState } from '../../components/QueryState';
 import { useVisibleRefetch } from '../../hooks/usePageVisible';
+import { useDirtyGuard } from '../../hooks/useDirtyGuard';
 
 interface ClassItem {
   id: number;
@@ -88,6 +89,7 @@ const ClassesPage: React.FC = () => {
   const [filterStatus, setFilterStatus] = useState<string>();
   const [filterType, setFilterType] = useState<string>();
   const [form] = Form.useForm<ClassFormValues>();
+  const classFormGuard = useDirtyGuard(form);
   const [saving, setSaving] = useState(false);
   const [showArchived, setShowArchived] = useState(false);
 
@@ -178,6 +180,7 @@ const ClassesPage: React.FC = () => {
   const handleCreate = () => {
     setEditing(null);
     form.resetFields();
+    classFormGuard.snapshot();
     setModalOpen(true);
   };
 
@@ -190,9 +193,10 @@ const ClassesPage: React.FC = () => {
         startDate: record.startDate ? dayjs(record.startDate) : undefined,
         endDate: record.endDate ? dayjs(record.endDate) : undefined,
       });
+      classFormGuard.snapshot();
       setModalOpen(true);
     },
-    [form],
+    [form, classFormGuard],
   );
 
   const handleSubmit = async () => {
@@ -457,7 +461,7 @@ const ClassesPage: React.FC = () => {
         title={editing ? '编辑班级' : '创建班级'}
         open={modalOpen}
         onOk={handleSubmit}
-        onCancel={() => setModalOpen(false)}
+        onCancel={() => classFormGuard.confirmClose(() => setModalOpen(false))}
         confirmLoading={saving}
         width={600}
       >