{
  "notice": "Fictional exercise, no AI model result.",
  "url_notice": "Fictional .example domains, not collected.",
  "cases": [
    {
      "id": "V1",
      "url": "https://atelier.example/prix",
      "before": {
        "price": 120,
        "currency": "EUR",
        "tax": "excluding tax",
        "scope": "Unchanged"
      },
      "after": {
        "price": 132,
        "currency": "EUR",
        "tax": "excluding tax",
        "scope": "Unchanged"
      },
      "expected": "business_change"
    },
    {
      "id": "V2",
      "url": "https://atelier.example/services",
      "before": {
        "offer": "A",
        "footer": "2025"
      },
      "after": {
        "offer": "A",
        "footer": "2026"
      },
      "expected": "editorial_noise"
    },
    {
      "id": "V3",
      "url": "https://atelier.example/conditions",
      "before": {
        "terms": "A"
      },
      "after": null,
      "expected": "collection_incident"
    }
  ]
}