refactor(service): 简化交易备注中的固定前缀文案

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

@@ -28,7 +28,7 @@ public class GooglePlayWalletBenefitService {
         wallet.setUpdatedAt(new Date());
         walletService.saveOrUpdate(wallet);
         walletTransactionService.createTransaction(userId, orderId, amount, GOOGLE_PLAY_WALLET_TX_TYPE,
-                before, after, "Google Play 充值: " + productId);
+                before, after,   productId);
     }
 
     public boolean revoke(Long userId, Long orderId, BigDecimal amount) {

src/main/java/com/yolo/keyborad/service/impl/ApplePurchaseServiceImpl.java

@@ -783,7 +783,7 @@ public class ApplePurchaseServiceImpl implements ApplePurchaseService {
                 (short) 2, // 交易类型：2-苹果内购充值
                 before,
                 after,
-                "Apple 充值: " + product.getProductId()
+                  product.getProductId()
         );
         
         // 8. 记录充值成功日志

src/main/java/com/yolo/keyborad/service/impl/KeyboardThemePurchaseServiceImpl.java

@@ -133,7 +133,7 @@ public class KeyboardThemePurchaseServiceImpl extends ServiceImpl<KeyboardThemeP
                 (short) 1,                                      // 交易类型：1-购买主题
                 beforeBalance,                                   // 交易前余额
                 afterBalance,                                    // 交易后余额
-                "购买主题: " + theme.getThemeName()             // 交易备注
+                theme.getThemeName()             // 交易备注
         );
 
         // 8. 更新购买记录的交易ID