{
  "topic_id": "TP-034",
  "synthetic": true,
  "real_customer_data": false,
  "purpose": "Same-account saved period blocks another period",
  "input": {
    "current_account": "Z-A",
    "history": [
      {
        "account": "Z-A",
        "period": "August",
        "state": "In-Progress"
      },
      {
        "account": "Z-B",
        "period": "August",
        "state": "Reconciled"
      }
    ]
  },
  "expected_review": {
    "investigate_saved_period": "Z-A/August",
    "do_not_complete_just_to_clear_error": true
  },
  "scope": "Record dates, opening/closing statement evidence and history identity. No period completed.",
  "verification": "Python reference model only. Vendor UI, accounting operations, real bank compatibility and authenticated imports NOT_VERIFIED."
}