replace productId with cardId in price history chart plotting

src/pages/partials/card-modal.astro

@@ -84,7 +84,7 @@ for (const price of card?.prices ?? []) {
 
 // ── Price history for chart ───────────────────────────────────────────────
 const cardSkus = card?.prices?.length
-  ? await db.select().from(skus).where(eq(skus.productId, card.productId))
+  ? await db.select().from(skus).where(eq(skus.cardId, card.cardId))
   : [];
 
 const skuIds = cardSkus.map(s => s.skuId);
@@ -547,6 +547,8 @@ const altSearchUrl = (card: any) => {
                   </div>
                 </div>
 
+                
+
               </div>
 
               <!-- External links column -->