using System.Globalization; using System.Windows; using System.Windows.Data; namespace ClaudeDo.Installer.Core; public sealed class NullToCollapsedConverter : IValueConverter { public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture) => value is null or "" ? Visibility.Collapsed : Visibility.Visible; public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) => throw new NotSupportedException(); }