feature requests

Hi, thank you for the best way to navigate the shell!
I feel that a few small features would improve it even further:

• z (no args) should cd $HOME, like cd would. (I have enhanced on so I thought it would emulate cd completely).

• z + to cycle directory stack (my favourite thing is the pushd/popd feature you have!), a fast way to cycle through directories in order would be great!

• I love z -b but I already use a bash script that can do this but also by number, e.g:

~/this/is/my/current/directory
$ up 4

$ pwd
~/this

It also does this too:

~/info/data/data/info
$ up o/d

$ pwd
~/info/data

Then not only would you be the best way to navigate the shell, but also the simplest, most intuitive way too!
Thank you again!

The issue does not name any files, tests, or entry points. Start by locating the Lua command handling z arguments and its shell integrations, then determine the scope and acceptance criteria for the three requested navigation behaviors before making changes.