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

SpdUp.Tests/ObservableObjectTests.cs

@@ -0,0 +1,93 @@
+using System.ComponentModel;
+using SpdUp.Core;
+
+namespace SpdUp.Tests;
+
+/// <summary>
+/// Tests for ObservableObject base class.
+/// </summary>
+public class ObservableObjectTests
+{
+    private sealed class TestObservable : ObservableObject
+    {
+        private string _name = string.Empty;
+        public string Name
+        {
+            get => _name;
+            set => SetProperty(ref _name, value);
+        }
+
+        private int _count;
+        public int Count
+        {
+            get => _count;
+            set => SetProperty(ref _count, value);
+        }
+    }
+
+    [Fact]
+    public void SetProperty_NewValue_RaisesPropertyChanged()
+    {
+        var obj = new TestObservable();
+        string? changedProp = null;
+        obj.PropertyChanged += (_, e) => changedProp = e.PropertyName;
+
+        obj.Name = "hello";
+
+        Assert.Equal("Name", changedProp);
+        Assert.Equal("hello", obj.Name);
+    }
+
+    [Fact]
+    public void SetProperty_SameValue_DoesNotRaisePropertyChanged()
+    {
+        var obj = new TestObservable { Name = "hello" };
+        bool raised = false;
+        obj.PropertyChanged += (_, _) => raised = true;
+
+        obj.Name = "hello";
+
+        Assert.False(raised);
+    }
+
+    [Fact]
+    public void SetProperty_ReturnsTrue_WhenValueChanged()
+    {
+        var obj = new TestObservable();
+        string? changedProp = null;
+        obj.PropertyChanged += (_, e) => changedProp = e.PropertyName;
+
+        obj.Count = 42;
+
+        Assert.Equal("Count", changedProp);
+        Assert.Equal(42, obj.Count);
+    }
+
+    [Fact]
+    public void SetProperty_ReturnsFalse_WhenValueUnchanged()
+    {
+        var obj = new TestObservable { Count = 5 };
+        bool raised = false;
+        obj.PropertyChanged += (_, _) => raised = true;
+
+        obj.Count = 5;
+
+        Assert.False(raised);
+    }
+
+    [Fact]
+    public void MultipleProperties_OnlyNotifyChanged()
+    {
+        var obj = new TestObservable();
+        var notifications = new List<string>();
+        obj.PropertyChanged += (_, e) => notifications.Add(e.PropertyName!);
+
+        obj.Name = "a";
+        obj.Count = 1;
+        obj.Name = "a"; // same – no notification
+        obj.Count = 2;
+
+        Assert.Equal(3, notifications.Count);
+        Assert.Equal(["Name", "Count", "Count"], notifications);
+    }
+}