When I use my possession card on a bot and they have masquerade, I can pass a card as the bot, player B passes a card to player A (me), and then the UI doesn't change for player A (me) to pass a card to the bot.
See loom video I recorded:https://www.loom.com/share/fe06531f634042c5b21406ccff111afe (https://www.loom.com/share/fe06531f634042c5b21406ccff111afe)