{
  "id": "s-002",
  "born": { "date": "2026-08-26", "red_on": "candidate 9ab0" },
  "setup": {
    "world": {
      "reservation": { "res_id": "R2", "cabin": "business", "seats_assigned": true },
      "passenger":   { "pax_id": "P2", "tier": "gold", "holds": "R2" },
      "seat":        { "seat_no": "12A", "kind": "exit" }
    },
    "turn": "switch me to 12A please"
  },
  "red": "fee charged to gold on exit"
}