refactor(googleplay): 支持purchaseOptionId作为备选商品ID

src/main/java/com/yolo/keyborad/googleplay/GooglePlayApiClient.java

@@ -146,7 +146,7 @@ public class GooglePlayApiClient {
         JsonNode offerDetails = firstLineItem.path("productOfferDetails");
 
         String state = mapOneTimeState(text(root.path("purchaseStateContext"), "purchaseState"));
-
+        String purchaseOptionId = text(offerDetails, "purchaseOptionId");
         // 修正：一次性购买的订单号字段名为 "orderId"
         String googleOrderId = text(root, "orderId");
 
@@ -156,6 +156,7 @@ public class GooglePlayApiClient {
                 .productId(text(firstLineItem, "productId"))
                 .productType(GooglePlayConstants.PRODUCT_TYPE_ONE_TIME)
                 .purchaseToken(purchaseToken)
+                .purchaseOptionId(purchaseOptionId)
                 .orderKey(resolveOrderKey(googleOrderId, purchaseToken))
                 .googleOrderId(googleOrderId)
                 .linkedPurchaseToken(null)

src/main/java/com/yolo/keyborad/googleplay/GooglePlayStateService.java

@@ -32,7 +32,10 @@ public class GooglePlayStateService {
 
     @Transactional(rollbackFor = Exception.class)
     public GooglePlaySyncResult sync(GooglePlaySyncCommand command, GooglePlayPurchaseSnapshot snapshot) {
-        KeyboardProductItems product = loadProduct(snapshot.getBasePlanId());
+        String productId = (snapshot.getBasePlanId() != null) ?
+                snapshot.getBasePlanId() :
+                snapshot.getPurchaseOptionId();
+        KeyboardProductItems product = loadProduct(productId);
         GooglePlayOrder order = buildOrder(command, snapshot);
         GooglePlayPurchaseToken token = buildToken(command, snapshot);
         // 先保存订单以确保 order.id 已生成，钱包充值等权益分发依赖 order.id 写入交易流水

src/main/java/com/yolo/keyborad/googleplay/model/GooglePlayPurchaseSnapshot.java

@@ -56,4 +56,6 @@ public class GooglePlayPurchaseSnapshot {
     private Date lastSyncedAt;
 
     private String rawResponse;
+
+    private String purchaseOptionId;
 }