{
  "kind": "deterministic illustrative simulation; no AI/API/customer experiment",
  "inventory": {
    "stock": 12,
    "order_quantities": [
      8,
      8
    ],
    "separate_reading": {
      "promised": 16,
      "shortfall": 4
    },
    "shared_reservation": {
      "accepted": [
        true,
        false
      ],
      "reserved": 8,
      "remaining": 4,
      "held_order_quantity": 8
    }
  },
  "lost_reply": {
    "naive_shipment_records": 2,
    "same_operation_shipment_records": 1,
    "same_receipt": true,
    "changed_content_rejected": true
  },
  "limits": [
    "Fixed execution order, not a concurrency test",
    "No durable transaction or crash-recovery test",
    "No product-specific integration or LLM performance assessment"
  ]
}