{
  "version": 1,
  "kind": "flow",
  "title": "What a group is for",
  "description": "A control plane holding four components, and two workers holding two each. The frames are the containers; the arrows cross them to reach the boxes inside — except the one that names a container, which stops on the frame's border because it is about the whole of it.",
  "nodes": [
    { "id": "api", "text": "The **API** everything talks to", "role": "emphasis" },
    { "id": "store", "text": "The store of record" },
    { "id": "scheduler", "text": "The scheduler" },
    { "id": "controllers", "text": "The controllers" },
    { "id": "agent1", "text": "Its agent" },
    { "id": "runtime1", "text": "Its runtime", "role": "note" },
    { "id": "agent2", "text": "Its agent" },
    { "id": "runtime2", "text": "Its runtime", "role": "note" },
    { "id": "watch", "text": "The monitoring platform", "role": "note" }
  ],
  "edges": [
    { "from": "api", "to": "store", "label": "reads and writes", "role": "exchange" },
    { "from": "api", "to": "scheduler" },
    { "from": "api", "to": "controllers" },
    { "from": "api", "to": "agent1", "label": "assigns work" },
    { "from": "api", "to": "agent2", "label": "assigns work" },
    { "from": "agent1", "to": "runtime1", "role": "owns" },
    { "from": "agent2", "to": "runtime2", "role": "owns" },
    { "from": "watch", "to": "plane", "label": "watches" }
  ],
  "groups": [
    { "id": "plane", "text": "The control plane", "members": ["api", "store", "scheduler", "controllers"] },
    { "id": "worker1", "text": "A worker", "members": ["agent1", "runtime1"] },
    { "id": "worker2", "text": "Another worker", "members": ["agent2", "runtime2"] }
  ]
}