{
  "registry_id": "roles_demo_001",
  "room_id": "room_demo_001",
  "assignments": [
    {
      "actor_id": "alice",
      "actor_type": "human",
      "role": "room_owner",
      "permissions": [
        "charter",
        "close"
      ],
      "restrictions": [
        "cannot self-audit"
      ]
    },
    {
      "actor_id": "bob",
      "actor_type": "human",
      "role": "operator",
      "permissions": [
        "run"
      ],
      "restrictions": [
        "cannot approve promotion"
      ]
    },
    {
      "actor_id": "carol",
      "actor_type": "human",
      "role": "reviewer",
      "permissions": [
        "review"
      ],
      "restrictions": []
    },
    {
      "actor_id": "dana",
      "actor_type": "human",
      "role": "redactor",
      "permissions": [
        "redaction_review"
      ],
      "restrictions": []
    }
  ],
  "separation_of_duties_required": true,
  "exceptions": [],
  "issued_at": "2026-06-05T00:00:00Z"
}