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/auth/login.post.ts

@@ -0,0 +1,36 @@
+import {
+  clearRefreshTokenCookie,
+  setRefreshTokenCookie,
+} from '~/utils/cookie-utils';
+import { generateAccessToken, generateRefreshToken } from '~/utils/jwt-utils';
+import { forbiddenResponse } from '~/utils/response';
+
+export default defineEventHandler(async (event) => {
+  const { password, username } = await readBody(event);
+  if (!password || !username) {
+    setResponseStatus(event, 400);
+    return useResponseError(
+      'BadRequestException',
+      'Username and password are required',
+    );
+  }
+
+  const findUser = MOCK_USERS.find(
+    (item) => item.username === username && item.password === password,
+  );
+
+  if (!findUser) {
+    clearRefreshTokenCookie(event);
+    return forbiddenResponse(event, 'Username or password is incorrect.');
+  }
+
+  const accessToken = generateAccessToken(findUser);
+  const refreshToken = generateRefreshToken(findUser);
+
+  setRefreshTokenCookie(event, refreshToken);
+
+  return useResponseSuccess({
+    ...findUser,
+    accessToken,
+  });
+});