{
  "topic_id": "TP-207",
  "synthetic": true,
  "real_customer_data": false,
  "purpose": "Two bank currencies and separately documented fee",
  "input": {
    "Bank_A_USD": {
      "transfer": -240,
      "fee": -4
    },
    "Bank_B_EUR": {
      "transfer": 216
    },
    "fee_documented": true
  },
  "expected_review": {
    "Bank_A_change_USD": -244,
    "Bank_B_change_EUR": 216,
    "missing_fee_difference_USD": 4,
    "sum_unlike_currency_values_invalid": true
  },
  "scope": "No FX gain or accounting classification inferred. Trading representation is not third bank event; GnuCash not run.",
  "verification": "Python reference model only. Vendor UI, accounting operations, real bank compatibility and authenticated imports NOT_VERIFIED."
}