Rohstoffe: inline creation in Lieferung form, hide nav entry, remove quantity column

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

app/Filament/User/Resources/SpiceResource.php

@@ -21,6 +21,7 @@ class SpiceResource extends Resource
     protected static ?string $slug = 'rohstoffe';
     protected static ?string $navigationGroup = 'Lager';
 
+    protected static bool $shouldRegisterNavigation = false;
     protected static ?string $navigationIcon = 'heroicon-o-cube';
 
     public static function form(Form $form): Form
@@ -49,17 +50,13 @@ class SpiceResource extends Resource
             ->columns([
                 Tables\Columns\TextColumn::make('name')
                     ->searchable(),
-                Tables\Columns\TextColumn::make('quantity')->label('Menge lagernd')
-                    ->formatStateUsing(function (Spice $record) {
-                        if ($record->unit == 'grams') {
-                            return ($record->quantity >= 1000) ? round($record->quantity / 1000, 2) . 'kg' : $record->quantity . 'g';
-                        }elseif($record->unit == 'pieces'){
-                            return $record->quantity . ' Stück';
-                        }elseif($record->unit == 'liter'){
-                            return $record->quantity . ' Liter';
-                        }else{
-                            return $record->quantity . ' ' . ucfirst($record->unit);
-                        }
+                Tables\Columns\TextColumn::make('unit')
+                    ->label('Einheit')
+                    ->formatStateUsing(fn ($state) => match($state) {
+                        'grams'  => '(Kilo-)Gramm',
+                        'pieces' => 'Stück',
+                        'liter'  => 'Liter',
+                        default  => ucfirst($state),
                     }),
             ])
             ->filters([