fix: validate product weight before XML generation and update weight handling

prerender/seo/feeds.cjs

@@ -386,6 +386,18 @@ const generateProductsXml = (allProductsData = [], baseUrl, config) => {
         return;
       }
 
+      // Check if product has weight data - validate BEFORE building XML
+      if (!product.weight || isNaN(product.weight)) {
+        // Track products without weight
+        productsNeedingWeight.push({
+          id: product.articleNumber || product.seoName,
+          name: product.name || 'Unnamed',
+          url: `/Artikel/${product.seoName}`
+        });
+        skippedCount++;
+        return;
+      }
+
       // Check if description is missing or too short (less than 20 characters) - skip if insufficient
       const originalDescription = product.description ? cleanTextContent(product.description) : '';
       if (!originalDescription || originalDescription.length < 20) {
@@ -460,7 +472,7 @@ const generateProductsXml = (allProductsData = [], baseUrl, config) => {
       const googleCategory = getGoogleProductCategory(categoryId);
       const escapedGoogleCategory = escapeXml(googleCategory);
 
-      // Build item XML with proper formatting
+      // Build item XML with proper formatting (all validation passed, safe to write XML)
       productsXml += `
     <item>
       <g:id>${productId}</g:id>
@@ -486,21 +498,11 @@ const generateProductsXml = (allProductsData = [], baseUrl, config) => {
       <g:gtin>${gtin}</g:gtin>`;
       }
 
-      // Check if product has weight data - skip if missing
-      if (!product.weight || isNaN(product.weight)) {
-        // Track products without weight
-        productsNeedingWeight.push({
-          id: product.articleNumber || product.seoName,
-          name: product.name || 'Unnamed',
-          url: `/Artikel/${product.seoName}`
-        });
-        skippedCount++;
-        return;
-      }
-
-      // Add weight (we know it exists at this point)
+      // Add weight (we know it exists at this point since we validated it earlier)
+      // Convert from kg to grams (multiply by 1000)
+      const weightInGrams = parseFloat(product.weight) * 1000;
       productsXml += `
-      <g:shipping_weight>${parseFloat(product.weight).toFixed(2)} g</g:shipping_weight>`;
+      <g:shipping_weight>${weightInGrams.toFixed(2)} g</g:shipping_weight>`;
 
       // Add unit pricing data (required by German law for many products)
       const unitPricingData = determineUnitPricingData(product);

src/components/MainPageLayout.js

@@ -78,9 +78,9 @@ const MainPageLayout = () => {
   };
 
   const allTitles = {
-    home: t('titles.home'),
-    aktionen: t('titles.aktionen'), 
-    filiale: t('titles.filiale')
+    home: t('titles.filiale'),
+    aktionen: t('titles.home'), 
+    filiale: t('titles.aktionen')
   };
 
   // Define all content boxes for layered rendering