Initial commit: Telegram Management System

Full-stack web application for Telegram management
- Frontend: Vue 3 + Vben Admin
- Backend: NestJS
- Features: User management, group broadcast, statistics

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend-vben/apps/backend-mock/api/system/dept/[id].delete.ts

@@ -0,0 +1,15 @@
+import { verifyAccessToken } from '~/utils/jwt-utils';
+import {
+  sleep,
+  unAuthorizedResponse,
+  useResponseSuccess,
+} from '~/utils/response';
+
+export default eventHandler(async (event) => {
+  const userinfo = verifyAccessToken(event);
+  if (!userinfo) {
+    return unAuthorizedResponse(event);
+  }
+  await sleep(1000);
+  return useResponseSuccess(null);
+});