fix: extract full description from productTabs block content instead of showing short fallback

app/[locale]/products/[...slug]/page.tsx

@@ -258,7 +258,7 @@ export default async function ProductPage({ params }: ProductPageProps) {
       (node.fields?.blockType === 'productTabs' ||
         node.fields?.blockType === 'productTechnicalData'),
   );
-  const descriptionChildren = rootChildren.filter(
+  let descriptionChildren = rootChildren.filter(
     (node: any) =>
       !(
         node.type === 'block' &&
@@ -267,6 +267,16 @@ export default async function ProductPage({ params }: ProductPageProps) {
       ),
   );
 
+  // If no standalone description nodes, extract from the productTabs block's embedded content
+  if (descriptionChildren.length === 0) {
+    const tabsBlock = rootChildren.find(
+      (node: any) => node.type === 'block' && node.fields?.blockType === 'productTabs',
+    );
+    if (tabsBlock?.fields?.content?.root?.children) {
+      descriptionChildren = tabsBlock.fields.content.root.children;
+    }
+  }
+
   const descriptionContent = {
     root: {
       ...product.content.root,