{
  "scope": "Explicit fictional author-defined worksheet: actual CSV reads and model calculations only, not vendor UI/import/reconciliation, bank samples, actual fees/rates/FX or native exported schema. Unknown relationships remain unknown.",
  "quantity_gap_units": "2",
  "invoice_usd": "160",
  "uncovered_by_observed_payment_usd": "60",
  "naive_join_bank_sum_usd": "160",
  "unique_bank_events_sum_usd": "80",
  "not_inferred": [
    "Payment100/unitprice20 does not establish5receivedunits.",
    "Invoice8 units does not establish8receivedunits.",
    "Quantitygap is not a legal/approval/tax conclusion."
  ]
}