{
  "kind": "note",
  "author": "operator",
  "payload": {
    "severity": "info",
    "text": "Freeze: EventEnvelope v0 byte contract (prove → hard-lock → freeze)",
    "meta": {
      "repo": "command-center",
      "commit": "1830e0f",
      "tag": "v0.8-freeze-envelope-v0",
      "invariant": "EventEnvelope v0 byte contract frozen"
    }
  }
}