{"message":"Google ADK Multi-Agent Service with Real-time Streaming","status":"running","version":"2.0.0","architecture":"multi-tenant","endpoints":{"/ws":"WebSocket streaming with user-specific agents"},"available_sub_agents":["gis_agent (host)","active_wellness_agent"],"note":"Single-agent mode: HostAgent is the entry point, loads skills on demand, and hands off to active_wellness."}