I definitely disagree with most statements that this is "right"; that is "wrong", when really, clients are individuals, so therapeutic decisions should largely be individualized.

Both my current and former therapists knew I had certain feelings for them, and they both initiated hugs in both cases. It always was and has been beneficial to our therapy.

I don't have much of an opinion about a hug only on the last session, except perhaps anything said/done on the last session might not have the opportunity to be discussed by the client with that therapist. But why not ask for a few more sessions-even if by phone-if that was the case?

About sexual feelings for T and hugs in general --
I'd be mortified if my therapists didn't hug me just because I had sexual feelings for them (and was honest about it). It would probably be damaging to our relationship.