{
  "notice": "Fictional exercise, no AI model result.",
  "contacts": [
    {
      "id": "C-017",
      "name": "Camille Martin",
      "version": 1
    },
    {
      "id": "C-018",
      "name": "Camille Martin",
      "version": 1
    }
  ],
  "event": {
    "id": "N-104",
    "contact_id": "C-017",
    "expected_version": 1,
    "date": "2026-09-30",
    "action": "Prepare a maintenance proposal",
    "source": "For the Rouen site, send a maintenance proposal on 30 September 2026."
  },
  "ambiguous_event": {
    "id": "N-105",
    "name": "Camille Martin",
    "contact_id": null
  },
  "forbidden_change": "sales_stage"
}