Best place to add or expand cli-commands?

Hey :wave:,

I have been using Hanami 2 since the early 2.0.alpha versions and overwrote the hanami bin at the beginning. Now I have upgraded to the latest release candidate and would like to switch to something like this:

But where is the right place for this command registration?
Some of my additional commands are app-specific and some are slice-specific. I.e. the auth-Slice has the command auth import_users.

Thanks