{"message":"Welcome to Medical Chatbot API","version":"2.0.0","features":["Medical chatbot with RAG","PDF extraction with OCR","JWT authentication (OTP only)","Usage tracking and metrics"],"api_groups":{"/api/auth/otp":"OTP-based authentication (passwordless)","/api/metrics":"Usage statistics and monitoring","/api/extract-pdf":"PDF extraction (authenticated)","/api/transform-schema":"Save and manage transformation schemas","/api/chat":"Medical chatbot","/api/medicine":"Medicine information"}}