{"message":"TDTT API Gateway đang hoạt động","version":"1.0.0","routes":["/core/* → Core Service (localhost:5100)","/ams/* → AMS Service (localhost:5700)","/files/* → File Management Service (localhost:5200)"],"healthCheck":"/gateway-health → Check all services health","timestamp":"2026-08-17T18:20:41.2691311Z"}