feat(iap/apple): 添加对appAccountToken的支持以关联订单

解析JWS中的appAccountToken字段并添加到TransactionPayload结构体
在恢复逻辑中尝试使用appAccountToken关联现有订单

internal/logic/public/iap/apple/restoreLogic.go

@@ -132,6 +132,22 @@ SIRDAVLcWemp0fMlnfDE4EHmqcD58arEJWsr3aWEhc4BHocOUIGjko0cVWGchrFa
 			if err := tx.Model(&iapmodel.Transaction{}).Create(iapTx).Error; err != nil {
 				return err
 			}
+
+			// Try to link with existing order if possible (Best Effort)
+			// Strategy 1: appAccountToken (from JWS) -> OrderNo (UUID)
+			if txp.AppAccountToken != "" {
+				// appAccountToken is usually a UUID string
+				// Try to find order by parsing UUID or matching direct orderNo (if we stored it as uuid)
+				// Since our orderNo is string, we can try to search it.
+				// However, AppAccountToken is strictly UUID format. If our orderNo is not UUID, we might need a mapping.
+				// Assuming orderNo -> UUID conversion was consistent on client side.
+				// Here we just try to update if we find an unpaid order with this ID (if orderNo was used as appAccountToken)
+				_ = l.svcCtx.OrderModel.UpdateOrderStatus(l.ctx, txp.AppAccountToken, 2, tx)
+			}
+
+			// Strategy 2: If we had a way to pass orderNo in restore request (optional field in future), we could use it here.
+			// But for now, we only rely on appAccountToken or just skip order linking.
+
 			exp := iapapple.CalcExpire(txp.PurchaseDate, m.DurationDays)
 			userSub := user.Subscribe{
 				UserId:      u.Id,

pkg/iap/apple/jws.go

@@ -71,6 +71,9 @@ func ParseTransactionJWS(jws string) (*TransactionPayload, error) {
 		t := time.UnixMilli(int64(v))
 		resp.RevocationDate = &t
 	}
+	if v, ok := raw["appAccountToken"].(string); ok {
+		resp.AppAccountToken = v
+	}
 	return &resp, nil
 }
 

pkg/iap/apple/types.go

@@ -9,5 +9,6 @@ type TransactionPayload struct {
 	OriginalTransactionId  string    `json:"originalTransactionId"`
 	PurchaseDate           time.Time `json:"purchaseDate"`
 	RevocationDate         *time.Time`json:"revocationDate"`
+	AppAccountToken        string    `json:"appAccountToken"`
 }