stock check, variants in cart, variant buttons in product page

app/Catalog/ProductCard.php

@@ -19,7 +19,7 @@ final class ProductCard
 {
     /**
      * @param  array<string, mixed>  $product  one item from ProductService's localized array shape
-     * @return array{name: ?string, price: ?string, image: ?string, href: string}
+     * @return array{name: ?string, price: ?string, image: ?string, href: string, variantId: ?int}
      */
     public static function fromIndexed(array $product): array
     {
@@ -28,6 +28,12 @@ public static function fromIndexed(array $product): array
             'price' => $product['price'],
             'image' => $product['media'][0]['url'] ?? null,
             'href' => route('product.show', ['id' => $product['id']]),
+            // The card's quick "Add to cart" always adds this variant, same
+            // default Modules\Core\Catalog\Services\ProductService::
+            // variantSummaries() and product/show.blade.php both use — no
+            // picker at listing-grid scope, unlike the product page's own
+            // color swatches.
+            'variantId' => $product['variants'][0]['id'] ?? null,
         ];
     }
 }

app/Catalog/ProductListingPage.php

@@ -17,7 +17,14 @@
  */
 final class ProductListingPage
 {
-    private const PER_PAGE = 12;
+    private const PER_PAGE = 40;
+
+    /** Category pages rarely have enough products to fill a page, so this
+     * ceiling is high enough to act as "no pagination" in practice — the
+     * pagination component self-hides via hasPages() when everything fits.
+     * If a category ever exceeds it, pagination reappears as a safety net
+     * rather than silently truncating results. */
+    private const CATEGORY_PER_PAGE = 200;
 
     public function __construct(
         private readonly ProductService $products,
@@ -33,6 +40,7 @@ public function __construct(
     public function build(ProductListing $listing, Closure $url, ?int $collectionId = null, ?string $query = null): array
     {
         $filters = $listing->filters($collectionId);
+        $perPage = $collectionId !== null ? self::CATEGORY_PER_PAGE : self::PER_PAGE;
 
         // Listing reads from the Meilisearch index via ProductService/
         // ProductSearchService, not Eloquent. Both return a
@@ -45,12 +53,12 @@ public function build(ProductListing $listing, Closure $url, ?int $collectionId
                 query: $query,
                 filters: $filters,
                 sort: $listing->sort,
-                perPage: self::PER_PAGE,
+                perPage: $perPage,
                 page: $listing->page,
             )
             : $this->products->list(
                 filters: $filters,
-                perPage: self::PER_PAGE,
+                perPage: $perPage,
                 page: $listing->page,
                 sort: $listing->sort,
             );