ALX Agent Core API Gateway\n\nAvailable endpoints:\n- POST /api/chat (Widget chat via secure proxy)\n- POST /api/documents/search (RAG search)\n- POST /api/documents/upload (RAG upload)\n- GET /api/documents/{id} (Get document)\n- DELETE /api/documents/{id} (Delete document)\n- POST /v1/chat/completions (OpenAI-compatible)\n- GET /health (Health check)\n- GET /docs (API documentation)\n\nWidget endpoints are routed to ALX Proxy (port 8080). Other endpoints go to Agent Core (port 8000).