If add sound alert when task complete may be better?
only test in linux!
I think something like this would be a good candidate for hooks. Could you comment on #8?
Buy the way, sometimes I may be interrupted by something, so a easy way to stop (eg. a keyboard shortcut may be helpful) and continue the current task is a good advance.
I wrote gem talks which can be helpful with setup a kind of notification user want to. It works on mac os and other *nix systems if there espeak installed. I'd like to make pull request if it makes sense.
Here is my gem - https://github.com/gazay/talks