{
  "date": "2026-10-08",
  "python": "3.12.14",
  "records": 3,
  "columns": 3,
  "keys_preserved": true,
  "reconstructed_map_equals_source": true,
  "collision_exit_code": 1,
  "collision_output_created": false,
  "collision_error": "ValueError: reserved record_id collision: 'acct-A'",
  "rows": [
    {
      "record_id": "acct-A",
      "city": "Lisbon",
      "plan": "basic"
    },
    {
      "record_id": "acct-B",
      "city": "Oslo",
      "plan": "team"
    },
    {
      "record_id": "acct-C",
      "city": "Lima",
      "plan": "basic"
    }
  ],
  "scope": "original three-record map and one collision fixture only"
}