curl --fail-with-body --silent --show-error \
  "https://api.getkato.io/v1/raycast/entities/$KATO_ENTITY_TYPE/$KATO_ENTITY_ID/activity" \
  -H "Authorization: Bearer $KATO_RAYCAST_ACCESS_TOKEN"

{
  "data": [
    {
      "id": "activity_example",
      "action": "comment",
      "comment": "Brief is ready for review.",
      "actor": null,
      "createdAt": "2026-09-07T12:00:00.000Z"
    }
  ]
}