Plot twist: No matter which of the two users I click in the web GUI, I get the profile details of just one of them (the first one, the one with the lowest id#). Seems even the web GUI is getting confused by these duplicates.
I was going to rename the newest user, because I figure the first to register the username has dibs, but the GUI doesn’t give me that option.
This is all making me very nervous. I think yet another backup is in order.