{"endpoints":{"GET  /c":"Get configuration (supports JSON and Protobuf)","GET  /metrics":"Prometheus metrics","GET  /ws/sessions/{session_id}/stream":"Client live-stream WebSocket (query: token=...)","POST /c":"Set configuration","POST /e":"Track errors","POST /t":"Track events","WS   /w":"WebSocket connection"},"service":"Tracker API","status":"ok","version":"1.0.0"}