I looked at your examples and documentation, and at Class::DBI::Plugin::FilterOnClick, as suggested by trs80
. FilterOnClick looks very comprehensive, but with a lot to learn just to get oriented. Your module is simple and straight forward. It looks like it would be easy to use, and quite useful for those aplication where what you want to do is fairly simple. I agree that Dashboard is not a name that would be easily recognized. If I had to guess what the module did from the name, I'd probably guess wrong. It is, however, a distinctive name.
The examples where a major plus, and were the best way to communicate what the module does.
I noticed a trivial typo in the second TODO bullet, "neat to" was repeated. (I didn't read it carefully, but didn't notice others, unlike Class::DBI::Plugin::FilterOnClick. That's much better than I could do.)
If you happen to remember, drop me a message when you release it. I'd like to know about it, and what it's called.
Good luck with the module.