Initial commit: SpdUp Windows Gaming Booster v1.0.0

- .NET 8 WPF app with full MVVM architecture
- One-click boost: CPU, RAM, GPU, network, services, timer resolution
- Real-time system monitor (LibreHardwareMonitor)
- Auto game detection (30+ games)
- RAM optimizer with kernel-level cleanup
- Network optimizer (TCP registry tweaks)
- Service manager, process manager, shader cache cleaner
- Desktop widget overlay
- Debug log viewer
- Custom dark gaming theme with trans pride colors
- 84 unit tests (xUnit)
- Inno Setup installer script
- Landing page website

MainWindow.xaml.cs

@@ -0,0 +1,81 @@
+using System.ComponentModel;
+using System.Windows;
+using SpdUp.ViewModels;
+using SpdUp.Views;
+
+namespace SpdUp;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    private readonly MainViewModel _vm;
+    private WidgetWindow? _widgetWindow;
+
+    public MainWindow()
+    {
+        InitializeComponent();
+        _vm = new MainViewModel();
+        DataContext = _vm;
+
+        _vm.PropertyChanged += OnVmPropertyChanged;
+        StateChanged += MainWindow_StateChanged;
+
+        if (_vm.IsWidgetVisible)
+            ShowWidget();
+    }
+
+    // ── Custom title-bar handlers ─────────────────────────────
+    private void Minimize_Click(object sender, RoutedEventArgs e)
+        => WindowState = WindowState.Minimized;
+
+    private void MaximizeRestore_Click(object sender, RoutedEventArgs e)
+        => WindowState = WindowState == WindowState.Maximized
+            ? WindowState.Normal
+            : WindowState.Maximized;
+
+    private void Close_Click(object sender, RoutedEventArgs e)
+        => Close();
+
+    private void MainWindow_StateChanged(object? sender, System.EventArgs e)
+    {
+        // Update the maximize/restore glyph
+        if (MaxRestoreBtn is not null)
+            MaxRestoreBtn.Content = WindowState == WindowState.Maximized ? "❐" : "☐";
+    }
+
+    private void OnVmPropertyChanged(object? sender, PropertyChangedEventArgs e)
+    {
+        if (e.PropertyName == nameof(MainViewModel.IsWidgetVisible))
+        {
+            if (_vm.IsWidgetVisible)
+                ShowWidget();
+            else
+                HideWidget();
+        }
+    }
+
+    private void ShowWidget()
+    {
+        if (_widgetWindow is null || !_widgetWindow.IsLoaded)
+        {
+            _widgetWindow = new WidgetWindow(_vm);
+            _widgetWindow.Closed += (_, _) => _vm.IsWidgetVisible = false;
+            _widgetWindow.Show();
+        }
+    }
+
+    private void HideWidget()
+    {
+        _widgetWindow?.Close();
+        _widgetWindow = null;
+    }
+
+    private void Window_Closing(object sender, CancelEventArgs e)
+    {
+        HideWidget();
+        _vm.SaveSettings();
+        _vm.Dispose();
+    }
+}