BulkMerchantDataResponse

{
    "success": true,
    "message": "Bulk data processed",
    "totalProcessed": 50,
    "successfullyProcessed": 48,
    "failed": 2,
    "errors": [
        {
            "field": "salesPerformance.gmv30Days",
            "error": "Must be a non-negative number",
            "merchantId": "merchant_42"
        }
    ],
    "processedMerchantIds": [
        "merchant_1",
        "merchant_2"
    ],
    "processedAt": "2026-01-29T08:15:30.000Z"
}