fix(admin): 补全 React hooks 依赖并修复页面稳定性

- 各页面 useCallback/useMemo 依赖补全（modal/mutation/setter 等），避免闭包过期
- ECharts 使用 optionRef、MainLayout 缓存菜单转换函数、main.tsx 增加挂载点校验
- 学生同步结果改用 recordsCount 展示

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

@@ -44,16 +44,19 @@ const UsersPage: React.FC = () => {
   const [saving, setSaving] = useState(false);
   const [showArchived, setShowArchived] = useState(false);
 
-  const handleOpenProfile = async (record: any) => {
-    setProfileUser(record);
-    try {
-      const res = await api.get<UserProfileResponse>(`/rbac/users/${record.id}/profile`);
-      profileForm.setFieldsValue(userProfileResponseToFormValues(res));
-    } catch {
-      profileForm.setFieldsValue({});
-    }
-    setProfileModalOpen(true);
-  };
+  const handleOpenProfile = useCallback(
+    async (record: any) => {
+      setProfileUser(record);
+      try {
+        const res = await api.get<UserProfileResponse>(`/rbac/users/${record.id}/profile`);
+        profileForm.setFieldsValue(userProfileResponseToFormValues(res));
+      } catch {
+        profileForm.setFieldsValue({});
+      }
+      setProfileModalOpen(true);
+    },
+    [profileForm],
+  );
 
   const handleProfileSubmit = async () => {
     setSaving(true);
@@ -133,15 +136,18 @@ const UsersPage: React.FC = () => {
     setModalOpen(true);
   };
 
-  const handleEdit = (record: any) => {
-    setEditing(record);
-    form.setFieldsValue({
-      username: record.username,
-      name: record.name,
-      roleIds: record.roles?.map((r: any) => r.id) || [],
-    });
-    setModalOpen(true);
-  };
+  const handleEdit = useCallback(
+    (record: any) => {
+      setEditing(record);
+      form.setFieldsValue({
+        username: record.username,
+        name: record.name,
+        roleIds: record.roles?.map((r: any) => r.id) || [],
+      });
+      setModalOpen(true);
+    },
+    [form],
+  );
 
   const handleSubmit = async () => {
     setSaving(true);
@@ -161,39 +167,48 @@ const UsersPage: React.FC = () => {
       setSaving(false);
     }
   };
-  const handleArchive = async (id: number, archive: boolean) => {
-    try {
-      await archiveMutation.mutateAsync({ id, archive });
-      message.success(archive ? '已归档' : '已恢复');
-    } catch {
-      // 错误提示由 useApiMutation 统一处理
-    }
-  };
+  const handleArchive = useCallback(
+    async (id: number, archive: boolean) => {
+      try {
+        await archiveMutation.mutateAsync({ id, archive });
+        message.success(archive ? '已归档' : '已恢复');
+      } catch {
+        // 错误提示由 useApiMutation 统一处理
+      }
+    },
+    [archiveMutation],
+  );
 
-  const handlePurge = (record: any) => {
-    modal.confirm({
-      title: `永久删除账号「${record.name || record.username}」？`,
-      content:
-        '删除后不可恢复，关联学生、任教、排课或考勤操作时将无法删除；角色绑定、通知和 AI 会话将被清除，操作日志保留。确定继续？',
-      okText: '永久删除',
-      okButtonProps: { danger: true },
-      cancelText: '取消',
-      onOk: async () => {
-        try {
-          await purgeMutation.mutateAsync(record.id);
-          message.success('已永久删除（不可恢复）');
-        } catch {
-          // 错误提示由 useApiMutation 统一处理
-        }
-      },
-    });
-  };
+  const handlePurge = useCallback(
+    (record: any) => {
+      modal.confirm({
+        title: `永久删除账号「${record.name || record.username}」？`,
+        content:
+          '删除后不可恢复，关联学生、任教、排课或考勤操作时将无法删除；角色绑定、通知和 AI 会话将被清除，操作日志保留。确定继续？',
+        okText: '永久删除',
+        okButtonProps: { danger: true },
+        cancelText: '取消',
+        onOk: async () => {
+          try {
+            await purgeMutation.mutateAsync(record.id);
+            message.success('已永久删除（不可恢复）');
+          } catch {
+            // 错误提示由 useApiMutation 统一处理
+          }
+        },
+      });
+    },
+    [modal, purgeMutation],
+  );
 
-  const handleResetPwd = (record: any) => {
-    setResetTarget(record);
-    pwdForm.resetFields();
-    setPwdModalOpen(true);
-  };
+  const handleResetPwd = useCallback(
+    (record: any) => {
+      setResetTarget(record);
+      pwdForm.resetFields();
+      setPwdModalOpen(true);
+    },
+    [pwdForm],
+  );
 
   const handlePwdSubmit = async () => {
     setSaving(true);
@@ -353,7 +368,16 @@ const UsersPage: React.FC = () => {
         ),
       },
     ],
-    [roles, saveCell, canPurgeUser, handlePurge],
+    [
+      roles,
+      saveCell,
+      canPurgeUser,
+      handlePurge,
+      handleOpenProfile,
+      handleEdit,
+      handleArchive,
+      handleResetPwd,
+    ],
   );
 
   return (