fix: CountScopedSubscribePurchaseOrders 包含续费单并排除赠送单

- type IN (1, 2)：同时统计首购和续费历史，防止用户用续费绕过新人价限制
- amount > 0：排除 admin 赠送的免费订单（amount=0），避免误判新人资格

Co-Authored-By: claude-flow <ruv@ruv.net>

internal/logic/common/newUserEligibility.go

@@ -76,7 +76,7 @@ func CountScopedSubscribePurchaseOrders(
 	var count int64
 	query := db.WithContext(ctx).
 		Model(&modelOrder.Order{}).
-		Where("user_id IN ? AND subscribe_id = ? AND type = 1", scopeUserIDs, subscribeID)
+		Where("user_id IN ? AND subscribe_id = ? AND type IN ? AND amount > 0", scopeUserIDs, subscribeID, []int64{1, 2})
 	if len(statuses) > 0 {
 		query = query.Where("status IN ?", statuses)
 	}