Feature: Adding Custom Fields to Products

src/Catalog/Services/ProductIndexer.php

@@ -139,6 +139,12 @@ class ProductIndexer extends BaseProductIndexer
             ->all();
         $data['slugs'] = $model->urls->pluck('slug')->unique()->values()->all();
         $data['skus'] = $model->variants->pluck('sku')->filter()->unique()->values()->all();
+        // Only decoded correctly when $model is an instance of
+        // Modules\Core\Catalog\Models\Product (the custom_fields cast
+        // lives there, not on the base Lunar\Models\Product) — see
+        // CatalogServiceProvider's own comment on why the scheduled
+        // reindex command references that subclass by name specifically.
+        $data['custom_fields'] = $model->custom_fields ?? [];
         $data['tags'] = $model->tags->pluck('value')->all();
         $data['media'] = $model->media->map(fn (Media $media) => $this->mapMedia($media))->all();
         $data['variants'] = $model->variants->map(fn (ProductVariant $variant) => $this->mapVariant($variant, $currency))->all();