{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Transaction",
  "title": "Transaction",
  "type": "object",
  "description": "Bank account transaction",
  "properties": {
    "id": {
      "type": "string",
      "description": "Transaction ID",
      "example": "TRX-001234"
    },
    "accountId": {
      "type": "string",
      "example": "ACC-001234"
    },
    "amount": {
      "type": "number",
      "description": "Transaction amount (positive=credit, negative=debit)",
      "example": -1500.0
    },
    "currency": {
      "type": "string",
      "example": "CHF"
    },
    "valueDate": {
      "type": "string",
      "format": "date",
      "example": "2025-04-15"
    },
    "bookingDate": {
      "type": "string",
      "format": "date",
      "example": "2025-04-15"
    },
    "description": {
      "type": "string",
      "example": "Transfer to savings"
    },
    "counterpartyName": {
      "type": "string",
      "example": "Jane Smith"
    },
    "counterpartyIban": {
      "type": "string",
      "example": "DE89370400440532013000"
    },
    "type": {
      "type": "string",
      "enum": [
        "CREDIT",
        "DEBIT",
        "FEE",
        "INTEREST"
      ],
      "example": "DEBIT"
    },
    "status": {
      "type": "string",
      "enum": [
        "PENDING",
        "BOOKED",
        "CANCELLED"
      ],
      "example": "BOOKED"
    }
  }
}