{"service": "ZONGYUAN-ROOT 云端A2A权威网关", "version": "3.1.0", "status": "online", "authority": "primary", "federation_mode": "open_federation", "homologous_peers": 3, "external_nodes": 62, "total_federation_nodes": 65, "endpoints": {"agent_card": "/.well-known/agent.json", "register": "/a2a/register", "nodes": "/a2a/nodes", "status": "/a2a/status"}}