Add recent launcher items

Services/LauncherController.cs

@@ -9,6 +9,8 @@ namespace TaskbarLauncher.Services;
 
 public sealed class LauncherController : IDisposable
 {
+    private const int MaxRecentItems = 8;
+
     private readonly HotkeyService hotkeyService = new();
     private NotifyIcon? notifyIcon;
     private LauncherPopup? popup;
@@ -136,6 +138,7 @@ public sealed class LauncherController : IDisposable
     {
         if (TryLaunchItem(item, out string? error))
         {
+            RecordRecentItem(item);
             popup?.Close();
             return;
         }
@@ -146,6 +149,43 @@ public sealed class LauncherController : IDisposable
         }
     }
 
+    private void RecordRecentItem(LauncherItem item)
+    {
+        if (item.Type == LauncherItemType.Menu || string.IsNullOrWhiteSpace(item.Target))
+        {
+            return;
+        }
+
+        Config.RecentItems.RemoveAll(recent => IsSameRecentItem(recent, item));
+        Config.RecentItems.Insert(0, CreateRecentItem(item));
+        if (Config.RecentItems.Count > MaxRecentItems)
+        {
+            Config.RecentItems.RemoveRange(MaxRecentItems, Config.RecentItems.Count - MaxRecentItems);
+        }
+
+        ConfigService.Save(Config);
+    }
+
+    private static bool IsSameRecentItem(LauncherItem recent, LauncherItem item)
+    {
+        return string.Equals(recent.Target, item.Target, StringComparison.OrdinalIgnoreCase) &&
+            string.Equals(recent.Arguments ?? "", item.Arguments ?? "", StringComparison.OrdinalIgnoreCase);
+    }
+
+    private static LauncherItem CreateRecentItem(LauncherItem item)
+    {
+        return new LauncherItem
+        {
+            Title = item.Title,
+            Type = item.Type,
+            Target = item.Target,
+            Arguments = item.Arguments,
+            IconPath = item.IconPath,
+            DisplayMode = item.DisplayMode,
+            Children = []
+        };
+    }
+
     private void OpenAllItems(LauncherItem menuItem)
     {
         List<string> failures = [];
@@ -161,6 +201,7 @@ public sealed class LauncherController : IDisposable
             if (TryLaunchItem(child, out string? error))
             {
                 launchedCount++;
+                RecordRecentItem(child);
             }
             else if (!string.IsNullOrWhiteSpace(error))
             {