after refactor cleanup

DiunaBI.UI.Shared/Components/AuthGuard.razor

@@ -0,0 +1,42 @@
+@using DiunaBI.UI.Shared.Services
+@inject AuthService AuthService
+@inject NavigationManager Navigation
+
+@if (_isLoading)
+{
+    <div class="d-flex justify-center align-center" style="height: 100vh;">
+        <MudProgressCircular Indeterminate="true" Size="Size.Large" />
+    </div>
+}
+else if (_isAuthenticated)
+{
+    @ChildContent
+}
+
+@code {
+    [Parameter] public RenderFragment? ChildContent { get; set; }
+    
+    private bool _isLoading = true;
+    private bool _isAuthenticated = false;
+    
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (firstRender)
+        {
+            Console.WriteLine("AuthGuard: Checking authentication...");
+            
+            _isAuthenticated = await AuthService.CheckAuthenticationAsync();
+            _isLoading = false;
+            
+            Console.WriteLine($"AuthGuard: isAuthenticated={_isAuthenticated}");
+            
+            if (!_isAuthenticated)
+            {
+                Console.WriteLine("AuthGuard: Redirecting to /login");
+                Navigation.NavigateTo("/login", replace: true);
+            }
+            
+            StateHasChanged();
+        }
+    }
+}