ugh

lib/productData.ts

@@ -91,7 +91,8 @@ export const updateProductStock = async (
   authToken: string
 ) => {
   try {
-    const url = `${process.env.NEXT_PUBLIC_API_URL}/stock/${productId}`;
+    // Use Next.js API proxy to ensure request goes through rewrites
+    const url = `/api/stock/${productId}`;
     return await fetchData(url, {
       method: "PUT",
       headers: {