i18n(service-templates/items): override CreateAction + emptyState + edit modal

Filament's default empty state used the model class name ('service
template items') and default 'Create service template item' modal
heading. Both are now explicit __() calls.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

app/Filament/Tenant/Resources/ServiceTemplateResource/RelationManagers/ItemsRelationManager.php

@@ -78,7 +78,17 @@ class ItemsRelationManager extends RelationManager
                 Tables\Columns\TextColumn::make('hours')->label(__('Ore'))->placeholder('—')->alignRight(),
                 Tables\Columns\TextColumn::make('qty')->label(__('Cant.'))->placeholder('—')->alignRight(),
             ])
-            ->headerActions([Actions\CreateAction::make()])
-            ->actions([Actions\EditAction::make(), Actions\DeleteAction::make()]);
+            ->headerActions([
+                Actions\CreateAction::make()
+                    ->label(__('Adaugă rând'))
+                    ->modalHeading(__('Adaugă rând în șablon')),
+            ])
+            ->actions([
+                Actions\EditAction::make()->modalHeading(__('Editează rând')),
+                Actions\DeleteAction::make(),
+            ])
+            ->emptyStateHeading(__('Șablonul nu are rânduri'))
+            ->emptyStateDescription(__('Adaugă manopere și piese care se aplică împreună când selectezi acest șablon pe o fișă.'))
+            ->emptyStateIcon('heroicon-o-clipboard-document-list');
     }
 }