Say you attack with Poe equipped with weapons guidance and a focus token and roll <blank>, <hit>, <focus>

Could you use Poe's ability to change the focus into a hit and then spend the focus token to change the blank into a hit?

Say you attack with Poe equipped with weapons guidance and a focus token and roll <blank>, <hit>, <focus>

Could you use Poe's ability to change the focus into a hit and then spend the focus token to change the blank into a hit?

Yes. Both effects trigger at the same time, so you decide the order.

Yes. Both of those abilities are effects that the same player controls with the same timing. You may choose the order in which to resolve them.

Someone used this on me tonight and while it seemed weird, I didn't argue it. Glad to know he was in the right and I didn't look foolish.