ConfirmUploadResponseDto

{
    "fileId": "550e8400-e29b-41d4-a716-446655440000",
    "url": "https://attachments-ai.senler.ru/widget/2025/12/uuid.jpg",
    "storagePath": "widget/2025/12/uuid.jpg",
    "fileName": "screenshot.png",
    "fileType": "image/png",
    "fileSize": 1024000
}