As much as that sounds really useful, I think it steps outside the bounds of what Haystack is for. Haystack has no interest in keeping track of specific project

As much as that sounds really useful, I think it steps outside the bounds of what Haystack is for. Haystack has no interest in keeping track of specific projects, billing etc. Haystack IMHO is just a card catalog — a painless way to get a basic idea of a designer's work. No more, no less.