fix: accept nullable marketplace prices in formatter

packages/core/src/utils/format.ts

@@ -5,9 +5,19 @@
  * @returns Formatted currency string
  */
 export function formatCentsToCurrency(
-  cents: number,
+  cents: number | string | null | undefined,
   locale: string = "en-CA",
 ): string {
+  if (cents == null) {
+    return "";
+  }
+
+  const numericCents =
+    typeof cents === "string" ? Number.parseFloat(cents) : cents;
+  if (!Number.isFinite(numericCents)) {
+    return "";
+  }
+
   try {
     const formatter = new Intl.NumberFormat(locale, {
       style: "currency",
@@ -15,10 +25,10 @@ export function formatCentsToCurrency(
       minimumFractionDigits: 2,
       maximumFractionDigits: 2,
     });
-    return formatter.format(cents / 100);
+    return formatter.format(numericCents / 100);
   } catch {
     // Fallback if locale is not supported
-    const dollars = (cents / 100).toFixed(2);
+    const dollars = (numericCents / 100).toFixed(2);
     return `$${dollars}`;
   }
 }