{
  "version": "rowva_duplicate_decision_report_v1",
  "sample": "invoice_payment_cleanup",
  "generated_at": "2026-06-06T00:00:00Z",
  "decision_count": 1,
  "decisions": [
    {
      "group_key": "inv_1001",
      "source_row_ids": [1, 2],
      "decision": "merge_survivor_row_1",
      "reason": "Duplicate invoice number with same customer and total; row 1 keeps the complete payment evidence."
    }
  ]
}