feat(profile): add username + preferred_locale; wire to Inertia + middleware

- DB: users.username (unique), users.preferred_locale (default from app.locale)
- Backend: validation, model fillable; share supportedLocales; SetLocaleFromUser
- Frontend: profile page fields + types
- Filament: SuperAdmin profile page with username/language

feat(admin-nav): move Tasks to Bibliothek and add menu labels

fix(tasks-table): show localized title/emotion/event type; add translated headers

feat(l10n): add missing table headers for emotions and event types; normalize en/de files

refactor: tidy translations for tasks/emotions/event types

app/Filament/Widgets/TopTenantsByUploads.php

@@ -8,7 +8,12 @@ use App\Models\Tenant;
 
 class TopTenantsByUploads extends BaseWidget
 {
-    protected static ?string $heading = 'Top tenants by uploads';
+    protected static ?string $heading = null;
+
+    public function getHeading()
+    {
+        return __('admin.widgets.top_tenants_by_uploads.heading');
+    }
     protected ?string $pollingInterval = '60s';
 
     public function table(Tables\Table $table): Tables\Table
@@ -21,10 +26,11 @@ class TopTenantsByUploads extends BaseWidget
                     ->limit(5)
             )
             ->columns([
-                Tables\Columns\TextColumn::make('id')->label('#')->width('60px'),
-                Tables\Columns\TextColumn::make('name')->label('Tenant')->searchable(),
-                Tables\Columns\TextColumn::make('photos_count')->label('Uploads')->numeric(),
+                Tables\Columns\TextColumn::make('id')->label(__('admin.common.hash'))->width('60px'),
+                Tables\Columns\TextColumn::make('name')->label(__('admin.common.tenant'))->searchable(),
+                Tables\Columns\TextColumn::make('photos_count')->label(__('admin.common.uploads'))->numeric(),
             ])
             ->paginated(false);
     }
 }
+