{"message":"RAG Suite API - Multi-Chat Sessions + PostgreSQL Logging","version":"3.1.0","status":"operational","endpoints":{"POST /new_chat":"Create a new chat session","POST /upload?chat_id=...":"Upload PDF into a chat (also logs to DB)","POST /ask":"Ask question in chat (logs Q&A to DB)","POST /generate_report":"Generate report for chat (logs report_path to DB)","GET /chat/{chat_id}/status":"Check chat readiness","GET /download/{filename}":"Download report","GET /health/db":"DB connectivity check"}}