feat(task1): restructure directories for turborepo monorepo

- Move backend/ to apps/server/ via git mv
- Move frontend/ to apps/admin/ via git mv
- Create packages/typescript-config/ with base, nestjs, and react-vite presets

apps/admin/src/components/PermissionButton.tsx

@@ -0,0 +1,17 @@
+import React from 'react';
+import { Button } from 'antd';
+import type { ButtonProps } from 'antd';
+import { usePermission } from '../hooks/usePermission';
+
+interface PermissionButtonProps extends ButtonProps {
+  permission: string;
+  children: React.ReactNode;
+}
+
+const PermissionButton: React.FC<PermissionButtonProps> = ({ permission, children, ...btnProps }) => {
+  const { hasPermission } = usePermission();
+  if (!hasPermission(permission)) return null;
+  return <Button {...btnProps}>{children}</Button>;
+};
+
+export default PermissionButton;

apps/admin/src/components/PermissionRoute.tsx

@@ -0,0 +1,24 @@
+import React from 'react';
+import { Result } from 'antd';
+import { usePermission } from '../hooks/usePermission';
+
+interface PermissionRouteProps {
+  permission: string;
+  children: React.ReactNode;
+}
+
+const PermissionRoute: React.FC<PermissionRouteProps> = ({ permission, children }) => {
+  const { hasPermission } = usePermission();
+  if (!hasPermission(permission)) {
+    return (
+      <Result
+        status="403"
+        title="无权访问"
+        subTitle="您没有访问此页面的权限"
+      />
+    );
+  }
+  return <>{children}</>;
+};
+
+export default PermissionRoute;