{
  "generatedAt": "2026-06-11T04:30:00Z",
  "jobId": "ld-sample-merge-2026-06",
  "previewedGroups": 3,
  "sampleNotice": "Sample - synthetic data",
  "selectedGroups": 2,
  "undo": {
    "expiresAt": "2026-06-18T04:30:00Z",
    "snapshotState": "available"
  }
}