{"message":"Telegram Bot & Tasks Backend Server is running!","timestamp":"2026-05-25T16:45:09.252Z","version":"1.0.0","endpoints":{"/api/health":"Health check","/api/user/:userId":"Get user data","/api/user/:userId/update":"Update user data","/api/users":"Get all users (admin)","/api/telegram/check-membership":"Check Telegram channel membership","/api/send-notification":"Send notifications to all users"}}