Yes it's very inconsistent but at the same time again she doesn't speak this way unless you bring up the notion of poly shit yourself meaning she's very content with just you. I'd like all the inconsistencies removed such as that but you have to be diplomatic with this poly people because they'll jump down your throat for even suggesting wanting you character and Shadowheart to be exclusive so I highly doubt they would change anything about that conversation to appease those weirdos. So to me when you romance Halsin and bring it up with her and her reaction to that is not as relevant as the brothel thing where you have no say in anything.