feat: integrate d3-org-chart for network visualization and add SignalR token notification service

src/FrontOffice.Main/Shared/MainLayout.razor

@@ -58,6 +58,11 @@
                 <div class="d-flex align-center gap-2">
                     @if (_isAuthenticated)
                     {
+                        <MudBadge Content="@_cartCount" Color="Color.Error" Overlap="true" Visible="@(_cartCount > 0)">
+                            <MudIconButton Icon="@Icons.Material.Filled.ShoppingCart" Color="Color.Inherit"
+                                           Href="@(RouteConstants.Store.Cart)" />
+                        </MudBadge>
+                        
                         <MudMenu Icon="@Icons.Material.Filled.Person" Color="Color.Inherit" Size="Size.Medium">
                             <MudMenuItem OnClick="NavigateToProfile" Disabled="@(!AuthService.IsCompleteRegister())">
                                 پروفایل

src/FrontOffice.Main/Shared/MainLayout.razor.cs

@@ -6,7 +6,7 @@ using MudBlazor;
 using Microsoft.AspNetCore.Components.Authorization;
 
 namespace FrontOffice.Main.Shared;
-public partial class MainLayout
+public partial class MainLayout : IDisposable
 {
     private const string TokenStorageKey = "auth:token";
 
@@ -15,10 +15,12 @@ public partial class MainLayout
     private bool _drawerOpen;
     private bool _isAuthenticated;
     private string? _email;
+    private int _cartCount;
 
     [Inject] private ILocalStorageService LocalStorage { get; set; } = default!;
     [Inject] private AuthService AuthService { get; set; } = default!;
     [Inject] private AuthDialogService AuthDialogService { get; set; } = default!;
+    [Inject] private CartService CartService { get; set; } = default!;
 
     private void ToggleTheme() => _isDark = !_isDark;
     private void ToggleDrawer() => _drawerOpen = !_drawerOpen;
@@ -33,10 +35,23 @@ public partial class MainLayout
         {
             await JSRuntime.InvokeVoidAsync("changeNavBgOnBodyScroll", "top", null, 1);
             await CheckAuthStatus();
+            
+            if (_isAuthenticated)
+            {
+                CartService.OnChange += OnCartChanged;
+                _cartCount = CartService.Count;
+            }
+            
             StateHasChanged();
         }
     }
 
+    private void OnCartChanged()
+    {
+        _cartCount = CartService.Count;
+        InvokeAsync(StateHasChanged);
+    }
+
     private async Task CheckAuthStatus()
     {
         _isAuthenticated = await AuthService.IsAuthenticatedAsync();
@@ -64,6 +79,12 @@ public partial class MainLayout
     {
         await AuthService.LogoutAsync();
         _isAuthenticated = false;
+        _cartCount = 0;
         StateHasChanged();
     }
+
+    public void Dispose()
+    {
+        CartService.OnChange -= OnCartChanged;
+    }
 }