Generate account statement for a specific currency

curl --request GET \
  --url https://api.example.com/ledger/statement/{currency} \
  --header 'Authorization: Bearer <token>'

{
  "accountId": "123e4567-e89b-12d3-a456-426614174000",
  "accountName": "user:client-id",
  "closingBalance": "1500.50",
  "currency": "EUR",
  "generatedAt": "2025-10-29T12:00:00Z",
  "openingBalance": "1000.00",
  "periodEnd": "2025-01-31",
  "periodStart": "2025-01-01",
  "totalCredits": "600.50",
  "totalDebits": "100.00",
  "transactions": [
    {
      "balanceAfter": "1500.50",
      "date": "2025-10-29T12:00:00Z",
      "transactionId": "123e4567-e89b-12d3-a456-426614174000",
      "credit": "100.50",
      "debit": "100.50",
      "description": "Payout to John Doe",
      "reference": "PAYOUT-001"
    }
  ]
}