feat(设备绑定): 添加用户数据迁移功能以支持设备重新绑定

在设备重新绑定到新用户时，自动迁移旧用户的订单、订阅和余额数据
移除游客订单特殊处理逻辑，统一所有订单处理流程
更新设备绑定文档说明新的静默登录机制

queue/logic/order/activateOrderLogic.go

@@ -192,12 +192,12 @@ func (l *ActivateOrderLogic) NewPurchase(ctx context.Context, orderInfo *order.O
 	return nil
 }
 
-// getUserOrCreate retrieves an existing user or creates a new guest user based on order details
+// getUserOrCreate retrieves an existing user or creates a new user based on order details
 func (l *ActivateOrderLogic) getUserOrCreate(ctx context.Context, orderInfo *order.Order) (*user.User, error) {
 	if orderInfo.UserId != 0 {
 		return l.getExistingUser(ctx, orderInfo.UserId)
 	}
-	return l.createGuestUser(ctx, orderInfo)
+	return l.createUserFromTempOrder(ctx, orderInfo)
 }
 
 // getExistingUser retrieves user information by user ID
@@ -213,9 +213,9 @@ func (l *ActivateOrderLogic) getExistingUser(ctx context.Context, userId int64)
 	return userInfo, nil
 }
 
-// createGuestUser creates a new user account for guest orders using temporary order information
-// stored in Redis cache
-func (l *ActivateOrderLogic) createGuestUser(ctx context.Context, orderInfo *order.Order) (*user.User, error) {
+// createUserFromTempOrder creates a new user account using temporary order information
+// stored in Redis cache. All users created this way are formal users, not guests.
+func (l *ActivateOrderLogic) createUserFromTempOrder(ctx context.Context, orderInfo *order.Order) (*user.User, error) {
 	tempOrder, err := l.getTempOrderInfo(ctx, orderInfo.OrderNo)
 	if err != nil {
 		return nil, err
@@ -253,7 +253,7 @@ func (l *ActivateOrderLogic) createGuestUser(ctx context.Context, orderInfo *ord
 	// Handle referrer relationship
 	l.handleReferrer(ctx, userInfo, tempOrder.InviteCode)
 
-	logger.WithContext(ctx).Info("Create guest user success",
+	logger.WithContext(ctx).Info("Create user success",
 		logger.Field("user_id", userInfo.Id),
 		logger.Field("identifier", tempOrder.Identifier),
 		logger.Field("auth_type", tempOrder.AuthType),