Remember uploader window size

clients/photobooth-uploader/PhotoboothUploader/MainWindow.axaml.cs

@@ -53,6 +53,8 @@ public partial class MainWindow : Window
         _liveTimer.Interval = TimeSpan.FromSeconds(30);
         _liveTimer.Tick += (_, _) => UpdateLiveStatus();
         _liveTimer.Start();
+        Opened += OnWindowOpened;
+        Closing += OnWindowClosing;
         ApplySettings();
     }
 
@@ -185,6 +187,31 @@ public partial class MainWindow : Window
         UpdateSteps();
     }
 
+    private void OnWindowOpened(object? sender, EventArgs e)
+    {
+        ApplyWindowSize();
+    }
+
+    private void OnWindowClosing(object? sender, WindowClosingEventArgs e)
+    {
+        _settings.WindowWidth = Width;
+        _settings.WindowHeight = Height;
+        _settingsStore.Save(_settings);
+    }
+
+    private void ApplyWindowSize()
+    {
+        if (_settings.WindowWidth > 0)
+        {
+            Width = Math.Max(MinWidth, _settings.WindowWidth);
+        }
+
+        if (_settings.WindowHeight > 0)
+        {
+            Height = Math.Max(MinHeight, _settings.WindowHeight);
+        }
+    }
+
     private void StartUploadPipelineIfReady()
     {
         if (string.IsNullOrWhiteSpace(_settings.UploadUrl) || string.IsNullOrWhiteSpace(_settings.WatchFolder))