Nick: fix auto charge failing when payment is through Link

apps/api/src/services/billing/stripe.ts

@@ -7,7 +7,7 @@ async function getCustomerDefaultPaymentMethod(customerId: string) {
   const paymentMethods = await stripe.customers.listPaymentMethods(customerId, {
     limit: 3,
   });
-  return paymentMethods.data[0]?.id;
+  return paymentMethods.data[0] ?? null;
 }
 
 type ReturnStatus = "succeeded" | "requires_action" | "failed";
@@ -16,13 +16,18 @@ export async function createPaymentIntent(
   customer_id: string
 ): Promise<{ return_status: ReturnStatus; charge_id: string }> {
   try {
+    const defaultPaymentMethod = await getCustomerDefaultPaymentMethod(customer_id);
+    if (!defaultPaymentMethod) {
+      Logger.error(`No default payment method found for customer: ${customer_id}`);
+      return { return_status: "failed", charge_id: "" };
+    }
     const paymentIntent = await stripe.paymentIntents.create({
       amount: 1100,
       currency: "usd",
       customer: customer_id,
       description: "Firecrawl: Auto re-charge of 1000 credits",
-      payment_method_types: ["card"],
-      payment_method: await getCustomerDefaultPaymentMethod(customer_id),
+      payment_method_types: [defaultPaymentMethod?.type ?? "card"],
+      payment_method: defaultPaymentMethod?.id,
       off_session: true,
       confirm: true,
     });