handleRecordUpdate

   protected function handleRecordUpdate(Model $record, array $data): Model
    {
        dd($record->toArray(), $data);
        $record->editOrder($data);
        $this->updateProductQty($record);
        return $record;
    }

return Repeater::make('items')
            ->relationship()
            ->schema([
                Forms\Components\Select::make('shop_product_id')
                    ->label('Product')
                    ->translateLabel()
                    ->options(Product::query()->pluck('name', 'id'))
                    ->required()
                    ->reactive()
                    ->afterStateUpdated(fn ($state, Forms\Set $set) => $set('unit_price', Product::find($state)?->price ?? 0))
                    ->distinct()
                    ->disableOptionsWhenSelectedInSiblingRepeaterItems()
                    ->columnSpan([
                        'md' => 5,
                    ])
                    ->searchable(),