Userverwaltung improved

Components/Layout/MainLayout.razor

@@ -1,4 +1,9 @@
 @inherits LayoutComponentBase
+@inject AuthenticationStateProvider AuthStateProvider
+@inject NavigationManager Nav
+@inject timetracker.Data.UserNotificationService UserNotificationService
+@implements IDisposable
+@using System.Security.Claims
 
 <MudThemeProvider Theme="_theme" />
 <MudPopoverProvider />
@@ -29,6 +34,26 @@
 @code {
     private bool _drawerOpen = true;
 
+    protected override void OnInitialized()
+    {
+        UserNotificationService.OnUserDeleted += HandleUserDeleted;
+    }
+
+    private async Task HandleUserDeleted(int deletedUserId)
+    {
+        var state = await AuthStateProvider.GetAuthenticationStateAsync();
+        var idClaim = state.User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+        if (idClaim != null && int.TryParse(idClaim, out var myId) && myId == deletedUserId)
+        {
+            await InvokeAsync(() => Nav.NavigateTo("/auth/logout", forceLoad: true));
+        }
+    }
+
+    public void Dispose()
+    {
+        UserNotificationService.OnUserDeleted -= HandleUserDeleted;
+    }
+
     private readonly MudTheme _theme = new()
     {
         PaletteLight = new PaletteLight