namespace Gateway.Models; public sealed class ProviderResponse { public bool Ok { get; set; } public string? RequestId { get; set; } public object? Data { get; set; } public ProviderError? Error { get; set; } } public sealed class ProviderError { public string Code { get; set; } = "ERROR"; public string Message { get; set; } = "Unknown error"; public object? Detail { get; set; } }