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/layouts/MainLayout.tsx

@@ -169,19 +169,22 @@ const MainLayout: React.FC = () => {
       navigate(key);
       if (usesDrawer) setDrawerOpen(false);
     },
-    [navigate, usesDrawer],
+    [navigate, usesDrawer, setDrawerOpen],
   );
 
-  const findSelectedKeys = (items: AppMenuItem[], pathname: string): string[] => {
-    for (const item of items) {
-      if (item.key === pathname) return [item.key];
-      if (item.children) {
-        const found = findSelectedKeys(item.children, pathname);
-        if (found.length > 0) return found;
+  const findSelectedKeys = useCallback(
+    (items: AppMenuItem[], pathname: string): string[] => {
+      for (const item of items) {
+        if (item.key === pathname) return [item.key];
+        if (item.children) {
+          const found = findSelectedKeys(item.children, pathname);
+          if (found.length > 0) return found;
+        }
       }
-    }
-    return [pathname];
-  };
+      return [pathname];
+    },
+    [],
+  );
 
   const findOpenKeys = (items: AppMenuItem[], pathname: string): string[] => {
     for (const item of items) {
@@ -201,7 +204,7 @@ const MainLayout: React.FC = () => {
 
   const selectedKeys = useMemo(
     () => findSelectedKeys(menuItems, location.pathname),
-    [menuItems, location.pathname],
+    [menuItems, location.pathname, findSelectedKeys],
   );
   // 路径变化时同步展开的菜单（不干扰用户手动展开/收起）
   useEffect(() => {
@@ -210,20 +213,20 @@ const MainLayout: React.FC = () => {
       const routeOpenKeys = findOpenKeys(menuItems, location.pathname);
       setOpenKeys((currentKeys) => [...new Set([...currentKeys, ...routeOpenKeys])]);
     }
-  }, [location.pathname, menuItems]);
+  }, [location.pathname, menuItems, setOpenKeys]);
 
   const handleOpenChange = useCallback((keys: string[]) => {
     setOpenKeys(keys);
-  }, []);
+  }, [setOpenKeys]);
 
-  const transformToMenuItems = (items: AppMenuItem[]): any[] => {
+  const transformToMenuItems = useCallback((items: AppMenuItem[]): any[] => {
     return items.map((item) => ({
       key: item.key,
       icon: item.icon ? iconMap[item.icon] : undefined,
       label: item.label,
       children: item.children ? transformToMenuItems(item.children) : undefined,
     }));
-  };
+  }, []);
   const menuContent = useMemo(
     () => (
       <Menu
@@ -237,7 +240,7 @@ const MainLayout: React.FC = () => {
         style={{ border: 'none' }}
       />
     ),
-    [selectedKeys, openKeys, menuItems, handleMenuClick],
+    [selectedKeys, openKeys, menuItems, handleMenuClick, handleOpenChange, transformToMenuItems],
   );
 
   return (