refactor(会员下单): 下单入参去掉未使用的 kind

- useAccountWallet.buyRechargeProduct 入参收窄为仅 productId，会员结算调用同步删除未被消费的 kind: 'membership'。

apps/ai-game-creator-shell/src/features/app-shell/useAccountWallet.ts

@@ -287,7 +287,7 @@ export function useAccountWallet(currentUserId: string) {
   }
 
   async function buyRechargeProduct(
-    product: Pick<ProfileRechargeProduct, 'productId' | 'kind'>,
+    product: Pick<ProfileRechargeProduct, 'productId'>,
   ) {
     if (submittingRechargeProductId) {
       return;
@@ -434,7 +434,6 @@ export function useAccountWallet(currentUserId: string) {
     // 这里只需要把 productId 交给同一条下单链路。
     void buyRechargeProduct({
       productId: resolveMembershipProductId(plan, cycleKind),
-      kind: 'membership',
     });
   }