{"status":"ok","service":"ClinicAI WhatsApp Clinic Assistant","version":"2.0.0 (LangGraph)","features":{"classifier":true,"whatsapp_webhook":true,"booking_graph":true,"scheduler":true},"endpoints":{"classifier":"POST /classify","docs":"GET /docs","graph_nodes":"GET /graph/nodes","whatsapp_webhook":"POST /webhook/twilio","debug_sessions":"GET /debug/sessions","debug_appointments":"GET /debug/appointments"}}