Add user role management: introduce UserRole enum for role definitions, implement role-based access control in various resources and pages, and enhance authorization logic in the PanelProvider for improved security and user experience.

app/Filament/Pages/ManageSite.php

@@ -3,6 +3,7 @@
 namespace App\Filament\Pages;
 
 use App\Settings\SiteSettings;
+use App\Models\UserRole;
 use Filament\Forms;
 use Filament\Forms\Form;
 use Filament\Pages\SettingsPage;
@@ -168,4 +169,9 @@ class ManageSite extends SettingsPage
     {
         return 'Manage your website\'s general configuration';
     }
+
+    public static function canView(): bool
+    {
+        return auth()->user()->role === UserRole::ADMIN || auth()->user()->role === UserRole::MANAGER;
+    }
 }