docs/schemas/examples/message_broadcast.json

{
  "type": "broadcast",
  "tags": ["message", "urgent", "to:Agent-Arim"],
  "timestamp": "2025-07-28T17:30:00Z",
  "content": "Agent-Arim, your key needs rotation.",
  "ttl": "2025-07-30T00:00:00Z"
}