{"message":"VipTravel Backend API","version":"modular-v1.0","available_endpoints":["POST /login","POST /register","POST /auth/otp/send","POST /auth/otp/verify","GET /users","GET /users/:id","PUT /users/:id","DELETE /users/:id","GET /messages/:u1/:u2","POST /messages","GET /conversations/:userId","GET /calls/turn-credentials","POST /messages/call","POST /messages/call/end","GET /posts","POST /posts","DELETE /posts/:id","POST /posts/:id/comment","POST /follow","POST /unfollow","POST /upload","GET /image/:key","GET /notifications/:userId","GET /mapbox-token","GET /config","POST /translate","POST /transcribe","POST /ai/plan","GET /admin/api-usage","GET /admin/api-usage/detail","GET /admin/api-usage/daily","GET /bookings/all"]}