{"message":"Pi Multi-Fan Control API","version":"2.0.0","description":"Enhanced API for Pi-based multi-fan industrial control systems","endpoints":{"graphql":"/graphql","websocket_fan":"/ws/fan/{device_id}","websocket_client":"/ws/client/{client_id}","rest_api":{"fan_status":"/api/fan/{device_id}/status","multi_fan_status":"/api/fan/{device_id}/multi-fan-status","send_command":"/api/fan/{device_id}/command","discover_fans":"/api/fan/{device_id}/discover","ping_device":"/api/fan/{device_id}/ping","list_devices":"/api/devices","device_capabilities":"/api/devices/{device_id}/capabilities","queue_status":"/api/devices/{device_id}/queue-status"},"monitoring":{"health":"/health","metrics":"/metrics"}},"features":["Multi-fan operational control","Real-time Pi device communication","Automatic fan discovery","Fleet management capabilities","Command queue management","WebSocket real-time data streaming","GraphQL and REST APIs","Comprehensive device monitoring"],"docs":"/docs","timestamp":"2026-05-25T11:25:08.371097"}