feat(subscription): support Stripe payment element

src/app/subscription/subscription-screen.tsx

@@ -60,14 +60,13 @@ function planCaption(plan: PaymentPlan): string {
   return `${currencySymbol(plan.currency)}${perDay.toFixed(2)}/day`;
 }
 
-function toPlanView(plan: PaymentPlan, index: number): SubscriptionPlanView {
+function toPlanView(plan: PaymentPlan): SubscriptionPlanView {
   return {
     id: plan.planId,
     name: plan.planName,
     price: formatAmount(plan.amountCents),
     originalPrice: null,
     perDay: planCaption(plan),
-    highlight: plan.planId === "vip_monthly" || index === 0,
     currencySymbol: currencySymbol(plan.currency),
   };
 }
@@ -96,7 +95,7 @@ export function SubscriptionScreen() {
     () =>
       payment.plans
         .filter(isVipPlan)
-        .map((plan, index) => toPlanView(plan, index)),
+        .map((plan) => toPlanView(plan)),
     [payment.plans],
   );