{ "id": "nats", "title": "NATS JetStream (NS1 loopback)", "kind": "external", "package": null, "managed": false, "runtime": "nats-server -js on 127.0.0.1:4222", "health": { "type": "tcp", "host": "127.0.0.1", "port": 4222, "timeoutMs": 400 }, "nats": { "in": [], "out": [] }, "notes": "Do not bind 0.0.0.0. Zapier never connects here. Fleet monitors only; does not spawn nats-server." }