fix: from merge

src/libs/util.ts

@@ -165,18 +165,26 @@ export interface OfferFulfillment {
   offerType: string;
 }
 
+interface FulfillmentItem {
+  "@type": string;
+  identifier?: string;
+  [key: string]: unknown;
+}
+
 /**
  * Extract offer fulfillment information from the fulfills field
  * Handles both array and single object cases
  */
-export const extractOfferFulfillment = (fulfills: any): OfferFulfillment | null => {
+export const extractOfferFulfillment = (
+  fulfills: FulfillmentItem | FulfillmentItem[] | null | undefined,
+): OfferFulfillment | null => {
   if (!fulfills) {
     return null;
   }
-  
+
   // Handle both array and single object cases
   let offerFulfill = null;
-  
+
   if (Array.isArray(fulfills)) {
     // Find the Offer in the fulfills array
     offerFulfill = fulfills.find((item) => item["@type"] === "Offer");
@@ -184,14 +192,14 @@ export const extractOfferFulfillment = (fulfills: any): OfferFulfillment | null
     // fulfills is a single Offer object
     offerFulfill = fulfills;
   }
-  
+
   if (offerFulfill) {
     return {
-      offerHandleId: offerFulfill.identifier,
+      offerHandleId: offerFulfill.identifier || "",
       offerType: offerFulfill["@type"],
     };
   }
-  
+
   return null;
 };