validation in importer

ImportColumn::make('name')
    ->requiredMapping()
    ->rules(['required', 'string', 'max:255']),

    public function resolveRecord(): ?Collection
    {
        try {
            // Find or create collection based on ID
            $collection = Collection::firstOrNew([
                'id' => $this->data['id']
            ]);

            // Set additional fields
            $collection->name = $this->data['name'];
            $collection->slug = $this->data['slug'] ?? null;
            $collection->description = $this->data['description'] ?? null;
            $collection->images = $this->data['images'] ?? ['/images/default_image.png'];
            $collection->media_id = $this->data['media_id'] ?? null;
            $collection->parent_id = $this->data['parent_id'] ?? null;
            $collection->is_visible = $this->data['is_visible'] ?? true;
            $collection->tags = $this->data['tags'] ?? null;
            $collection->data = $this->data['data'] ?? null;

            return $collection;
        } catch (\Exception $e) {
            Log::error('Collection import error', [
                'data' => $this->data,
                'error' => $e->getMessage()
            ]);
            return null;
        }
    }