feat: 暴露清理方法

src/GUI/ViewModels/MainWindowViewModel.cs

@@ -1,4 +1,5 @@
 using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
 using GUI.Services;
 
 namespace GUI.ViewModels;
@@ -60,4 +61,11 @@ public partial class MainWindowViewModel : ViewModelBase
         IsScanning = true;
         ScanProgressVM.StartScanCommand.Execute(directory);
     }
+
+    [RelayCommand]
+    private void CleanOrphanedArtwork()
+    {
+        int count = OCES.Resonance.Core.Database.DeleteOrphanedArtworks();
+        // TODO: 添加用户提示，例如对话框显示 "已清理 {count} 条未使用的资源"
+    }
 }

src/GUI/Views/MainWindow.axaml

@@ -21,6 +21,7 @@
         <NativeMenu>
             <NativeMenuItem Header="Database" IsVisible="True">
                 <NativeMenu>
+                    <NativeMenuItem Header="Delete Unused Artworks" Command="{Binding CleanOrphanedArtworkCommand}"></NativeMenuItem>
                     <NativeMenuItem Header="Open database file in Finder..."/>
                 </NativeMenu>
             </NativeMenuItem>