Improve sub navigations

Bitvault/BackActionViewModel.cs

@@ -0,0 +1,20 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Toolkit.Foundation;
+
+namespace Bitvault;
+
+public partial class BackActionViewModel(IServiceProvider provider,
+    IServiceFactory factory,
+    IMediator mediator,
+    IPublisher publisher,
+    ISubscription subscriber,
+    IDisposer disposer) : Observable<string>(provider, factory, mediator, publisher, subscriber, disposer)
+{
+    [ObservableProperty]
+    private int index = 0;
+
+    [RelayCommand]
+    public void Invoke() => Publisher.Publish(Notify.As(new Search(Value)),
+        nameof(ItemCollectionViewModel));
+}

Bitvault/ItemCategoryCollectionViewModel.cs

@@ -19,7 +19,7 @@ public partial class ItemCategoryCollectionViewModel(IServiceProvider provider,
     {
         Publisher.Publish(Notify.As(Factory.Create<LockerCommandHeaderCollection>(new List<IDisposable>
         {
-
+            Factory.Create<BackActionViewModel>(),
         })));
 
         return base.OnActivated();

Bitvault/ItemCategoryNavigationViewModel.cs

@@ -9,9 +9,20 @@ public partial class ItemCategoryNavigationViewModel(IServiceProvider provider,
     IPublisher publisher,
     ISubscription subscriber,
     IDisposer disposer,
-    string name) :
-    Observable(provider, factory, mediator, publisher, subscriber, disposer)
+    NamedComponent named,
+    string name,
+    bool selected = false) :
+    Observable(provider, factory, mediator, publisher, subscriber, disposer),
+    ISelectable,
+    IRemovable
 {
     [ObservableProperty]
     private string name = name;
+
+    [ObservableProperty]
+    private string named = $"{named}";
+
+    [ObservableProperty]
+    private bool selected = selected;
+
 }

Bitvault/ItemCollectionViewModel.cs

@@ -6,7 +6,8 @@ namespace Bitvault;
 public partial class ItemCollectionViewModel :
     ObservableCollection<ItemNavigationViewModel>,
     INotificationHandler<NotifyEventArgs<Filter>>,
-    INotificationHandler<NotifyEventArgs<Search>>
+    INotificationHandler<NotifyEventArgs<Search>>,
+    IBackStack
 {
     private LockerViewModelConfiguration configuration;
 

Bitvault/SearchLockerActionViewModel.cs

@@ -14,21 +14,6 @@ public partial class SearchLockerActionViewModel(IServiceProvider provider,
     [ObservableProperty]
     private int index = 2;
 
-    [RelayCommand]
-    public void Invoke() => Publisher.Publish(Notify.As(new Search(Value)),
-        nameof(ItemCollectionViewModel));
-}
-
-public partial class BackContainerActionViewModel(IServiceProvider provider,
-    IServiceFactory factory,
-    IMediator mediator,
-    IPublisher publisher,
-    ISubscription subscriber,
-    IDisposer disposer) : Observable<string>(provider, factory, mediator, publisher, subscriber, disposer)
-{
-    [ObservableProperty]
-    private int index = 2;
-
     [RelayCommand]
     public void Invoke() => Publisher.Publish(Notify.As(new Search(Value)),
         nameof(ItemCollectionViewModel));