feat(subscription): add VIP renewal price notice

src/app/subscription/subscription-screen.helpers.ts

@@ -12,6 +12,7 @@ export interface FirstRechargeOfferView {
   badgeText: string;
   title: string;
   subtitle: string;
+  renewalNotice: string | null;
 }
 
 export function canChooseSubscriptionPayChannel(
@@ -159,6 +160,7 @@ export function getDefaultSubscriptionPlanId(input: {
 
 export function getFirstRechargeOfferView(input: {
   isFirstRecharge: boolean;
+  subscriptionType: SubscriptionType;
   vipPlans: readonly VipOfferPlanView[];
   coinPlans: readonly CoinsOfferPlanView[];
 }): FirstRechargeOfferView | null {
@@ -176,5 +178,9 @@ export function getFirstRechargeOfferView(input: {
     title: "First Recharge Offer",
     subtitle:
       "Your first recharge price is already applied. No code needed.",
+    renewalNotice:
+      input.subscriptionType === "vip"
+        ? "First month 50% off. Renews at the regular price from the second month."
+        : null,
   };
 }