Show git commit hash as build number in sidebar footer

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Providers/Filament/UserPanelProvider.php

@@ -3,6 +3,8 @@
 namespace App\Providers\Filament;
 
 use Filament\Navigation\NavigationGroup;
+use Filament\View\PanelsRenderHook;
+use Illuminate\Support\HtmlString;
 use Filament\Http\Middleware\Authenticate;
 use Filament\Http\Middleware\DisableBladeIconComponents;
 use Filament\Http\Middleware\DispatchServingFilamentEvent;
@@ -44,6 +46,14 @@ class UserPanelProvider extends PanelProvider
                 NavigationGroup::make('Ressourcen'),
                 NavigationGroup::make('CRM'),
             ])
+            ->renderHook(
+                PanelsRenderHook::SIDEBAR_FOOTER,
+                fn () => new HtmlString(
+                    '<div class="px-6 pb-4 font-mono text-[10px] text-gray-400 dark:text-gray-600">'
+                    . 'Build ' . substr(config('app.git_commit', 'dev'), 0, 10)
+                    . '</div>'
+                )
+            )
             ->discoverResources(in: app_path('Filament/User/Resources'), for: 'App\\Filament\\User\\Resources')
             ->discoverPages(in: app_path('Filament/User/Pages'), for: 'App\\Filament\\User\\Pages')
             ->pages([