{
  "chain": "aml-lookback-cycle",
  "question": "Before re-screening the preserved population, which lookback periods lack a defensible extract snapshot and must stay out of scope?",
  "look_at": "art-470-lookback-completeness-reconciler.lookback_status",
  "try_changing": {
    "step": "art-470-lookback-completeness-reconciler",
    "field": "periods",
    "value_note": "the 2024-Q1 period carries snapshot_available false"
  }
}