{
  "probe": "F3",
  "name": "peer-a2a-via-shared-memory",
  "description": "Writer posts a canary via ai-memory HTTP on node-1; verifies propagation to peers (W=2/N=4 quorum) before scenarios run.",
  "canary_uuid": "f1ce5b7e-5ce1-45e6-9bdc-bd5ef043100a",
  "canary_namespace": "_baseline_peer_canary",
  "writer_agent": "ai:alice",
  "peers_seen": {
    "node-2": true,
    "node-3": true,
    "node-4": true
  },
  "pass": true,
  "topology": "local-docker"
}