{"message":"Appointment Chat API","version":"1.0.0","description":"AI-powered appointment booking and management chat service","endpoints":{"health":"GET /health","sendMessage":"POST /api/appointment-chat/send","getConversation":"GET /api/appointment-chat/conversation/:id","getMCPTools":"GET /api/appointment-chat/mcp/tools","callMCPTool":"POST /api/appointment-chat/mcp/call"},"integration":{"database":"PostgreSQL with appointment_chat_* tables","mcpServer":"appointments-mcp server","aiModel":"Claude 3.5 Sonnet"}}