Initial

LehrerApp.Desktop/Views/DevicePairingDialog.axaml.cs

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+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LehrerApp.Desktop.ViewModels;
+
+namespace LehrerApp.Desktop.Views;
+
+public partial class DevicePairingDialog : Window
+{
+    // Wird von außen gesetzt – Pfad zur lokalen DB
+    public string TargetDbPath { get; set; } = "";
+
+    // Signal: App-Neustart nötig
+    public bool RestartRequested { get; private set; }
+
+    public DevicePairingDialog()
+    {
+        InitializeComponent();
+    }
+
+    private void OnClose(object? sender, RoutedEventArgs e) =>
+        Close();
+
+    private async void OnRestore(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is DevicePairingViewModel vm)
+            await vm.RestoreCommand.ExecuteAsync(TargetDbPath);
+    }
+
+    private void OnRestartRequested(object? sender, RoutedEventArgs e)
+    {
+        RestartRequested = true;
+        Close();
+    }
+}