{
  "version": "comeshop-ai-watch.test-target.v1",
  "domainId": "T23",
  "acceptanceCriterion": "T23-AC-01",
  "criterionText": "單一 listing 出現但下一次消失 → `unknown`／不發 stable-stock",
  "criterionProvenance": {
    "kind": "quoted",
    "doc": "docs/2026-08-30/80_comeshop-ai-watch-top-10-next-31-40-detailed-requirements-specifications_20260830T220000+0800_v01.md#3-t23"
  },
  "expected": "no_event",
  "observed": {
    "item": {
      "canonicalId": "collectible-sneaker-aj1-og-2026",
      "platform": "ebay",
      "variant": "US10",
      "condition": "new"
    },
    "seller": {
      "idHash": "sha256:7c11…f209",
      "score": "98"
    },
    "offer": {
      "price": {
        "amount": "260.00",
        "currency": "USD"
      },
      "landedPrice": {
        "amount": "300.00",
        "currency": "USD"
      },
      "availability": "unknown",
      "authStatus": "unverified"
    },
    "observation": {
      "confidence": "0.55"
    }
  },
  "absent": [],
  "unreadable": []
}