refactor(routes): move shared pages to global scope

src/app/subscription/use-subscription-payment-flow.ts

@@ -19,7 +19,7 @@ export interface UseSubscriptionPaymentFlowInput {
   shouldResumePendingOrder: boolean;
   returnTo: SubscriptionReturnTo;
   initialPayChannel: PayChannel;
-  characterSlug?: string;
+  sourceCharacterSlug?: string;
 }
 
 export function useSubscriptionPaymentFlow({
@@ -27,7 +27,7 @@ export function useSubscriptionPaymentFlow({
   shouldResumePendingOrder,
   returnTo,
   initialPayChannel,
-  characterSlug = DEFAULT_CHARACTER_SLUG,
+  sourceCharacterSlug = DEFAULT_CHARACTER_SLUG,
 }: UseSubscriptionPaymentFlowInput) {
   const router = useRouter();
   const { payment, paymentDispatch } = usePaymentRouteFlow({
@@ -50,7 +50,7 @@ export function useSubscriptionPaymentFlow({
   const handleBackClick = () => {
     void (async () => {
       router.replace(
-        await consumeSubscriptionExitUrl(returnTo, characterSlug),
+        await consumeSubscriptionExitUrl(returnTo, sourceCharacterSlug),
       );
     })();
   };
@@ -60,7 +60,10 @@ export function useSubscriptionPaymentFlow({
     paymentDispatch({ type: "PaymentReset" });
     void (async () => {
       router.replace(
-        await resolveSubscriptionSuccessExitUrl(returnTo, characterSlug),
+        await resolveSubscriptionSuccessExitUrl(
+          returnTo,
+          sourceCharacterSlug,
+        ),
       );
     })();
   };