CVR Manager 1.0.0

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

ViewModels/Base.cs

@@ -0,0 +1,33 @@
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using System.Windows.Input;
+
+namespace CVRManager.ViewModels;
+
+public abstract class ObservableObject : INotifyPropertyChanged
+{
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    protected bool Set<T>(ref T field, T value, [CallerMemberName] string? name = null)
+    {
+        if (EqualityComparer<T>.Default.Equals(field, value)) return false;
+        field = value;
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+        return true;
+    }
+
+    protected void Raise([CallerMemberName] string? name = null) =>
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+}
+
+public class RelayCommand : ICommand
+{
+    readonly Func<Task> run;
+
+    public RelayCommand(Func<Task> run) => this.run = run;
+    public RelayCommand(Action run) => this.run = () => { run(); return Task.CompletedTask; };
+
+    public event EventHandler? CanExecuteChanged { add { } remove { } }
+    public bool CanExecute(object? parameter) => true;
+    public async void Execute(object? parameter) => await run();
+}