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/EventsActiveToday.php

@@ -9,7 +9,12 @@ use App\Models\Event;
 
 class EventsActiveToday extends BaseWidget
 {
-    protected static ?string $heading = 'Events active today';
+    protected static ?string $heading = null;
+
+    public function getHeading()
+    {
+        return __('admin.widgets.events_active_today.heading');
+    }
     protected ?string $pollingInterval = '60s';
 
     public function table(Tables\Table $table): Tables\Table
@@ -29,11 +34,13 @@ class EventsActiveToday extends BaseWidget
                     ->limit(10)
             )
             ->columns([
-                Tables\Columns\TextColumn::make('id')->label('#')->width('60px'),
-                Tables\Columns\TextColumn::make('slug')->label('Slug')->searchable(),
+                Tables\Columns\TextColumn::make('id')->label(__('admin.common.hash'))->width('60px'),
+                Tables\Columns\TextColumn::make('slug')->label(__('admin.common.slug'))->searchable(),
                 Tables\Columns\TextColumn::make('date')->date(),
-                Tables\Columns\TextColumn::make('uploads_today')->label('Uploads today')->numeric(),
+                Tables\Columns\TextColumn::make('uploads_today')->label(__('admin.common.uploads_today'))->numeric(),
             ])
             ->paginated(false);
     }
 }
+
+