fix: expose currentProduct to window global context for external json viewer module

backend/static/manage-ultra-desc/index.html

@@ -804,6 +804,7 @@
   // ═══ STATS & OVERVIEW ═══
   async function showOverview() {
     currentProduct = null;
+    window.currentProduct = null;
     document.querySelectorAll('.fm-item').forEach(e => e.classList.remove('active'));
     
     // Reset right header content
@@ -1054,6 +1055,7 @@
       if (data.status !== 'success') throw new Error(data.message);
 
       currentProduct = data.product;
+      window.currentProduct = currentProduct;
       currentSimilarItems = currentProduct.parsed_similar_items || [];
       currentOutfits = currentProduct.parsed_outfit_recommendations || [];
 
@@ -1110,6 +1112,7 @@
       if (data.status !== 'success') throw new Error(data.message);
 
       currentProduct = data.product;
+      window.currentProduct = currentProduct;
       currentSimilarItems = currentProduct.parsed_similar_items || [];
       currentOutfits = currentProduct.parsed_outfit_recommendations || [];