A point counter

We are having a super nice character sheet integration with all kinds of customising stuff

Now a new request: A point counter
I would love to have one or more counters, for hit points, spellpoints, spellslots, what ever.
I know that this is not as trivial as just getting some data from the character sheet as this should save some information from the game forum.

It could be something like +5 +1 35/50 -1 -5 where I could click -5 button to substract 5 points from the counter

Or it could just be a field where I could alter an interger

What do you guys think?

I think it's a good idea.

It ties into what we were talking about here with having custom sheets with in-place edit.