Artifactcompleted

{
  "id": "whdel_9f2c...",
  "event": "artifact.completed",
  "version": "1",
  "occurred_at": "2026-06-16T09:06:00Z",
  "data": {
    "session_id": "mtgsess_9b2f...",
    "artifact_id": "mtgart_4e7c...",
    "type": "summary",
    "content": {
      "text": "Decisions: hold pricing flat through Q3. Actions: Casey to send the summary."
    },
    "model_provenance": {
      "model": "example-model",
      "provider": "telnyx"
    }
  }
}