Finalized new shell experience.

Wino.Mail.WinUI/ViewModels/ContactsShellClient.cs

@@ -1,4 +1,5 @@
 using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.Messaging;
 using Wino.Core.Domain;
 using Wino.Core.Domain.Enums;
 using Wino.Core.Domain.Interfaces;
@@ -6,11 +7,14 @@ using Wino.Core.Domain.MenuItems;
 using Wino.Core.Domain.Models;
 using Wino.Core.Domain.Models.Navigation;
 using Wino.Core.ViewModels;
+using Wino.Messaging.Client.Contacts;
 
 namespace Wino.Mail.WinUI.ViewModels;
 
 public sealed class ContactsShellClient(INavigationService navigationService) : CoreBaseViewModel, IShellClient
 {
+    private readonly NewContactMenuItem _newContactMenuItem = new();
+
     public WinoApplicationMode Mode => WinoApplicationMode.Contacts;
     public MenuItemCollection? MenuItems { get; private set; }
     public object? SelectedMenuItem { get; set; }
@@ -20,6 +24,11 @@ public sealed class ContactsShellClient(INavigationService navigationService) :
     {
         base.OnDispatcherAssigned();
         MenuItems ??= new MenuItemCollection(Dispatcher);
+
+        if (MenuItems.Count == 0)
+        {
+            MenuItems.Add(_newContactMenuItem);
+        }
     }
 
     public void Activate(ShellModeActivationContext activationContext)
@@ -33,7 +42,15 @@ public sealed class ContactsShellClient(INavigationService navigationService) :
         OnNavigatedFrom(NavigationMode.New, null!);
     }
 
-    public Task HandleNavigationItemInvokedAsync(IMenuItem? menuItem) => Task.CompletedTask;
+    public Task HandleNavigationItemInvokedAsync(IMenuItem? menuItem)
+    {
+        if (menuItem is NewContactMenuItem)
+        {
+            WeakReferenceMessenger.Default.Send(new NewContactRequested());
+        }
+
+        return Task.CompletedTask;
+    }
 
     public Task HandleNavigationSelectionChangedAsync(IMenuItem? menuItem) => Task.CompletedTask;
 }