[jck]

You can configure kitty to open the entire scrollback buffer in an editor or a pager(less/nvim etc).

https://github.com/kovidgoyal/kitty/issues/719

[mkdirp]

I wish there was something that have stdout in an env variable that is readily usable next time the prompt is available.

[aumerle]

See https://sw.kovidgoyal.net/kitty/shell-integration in particular Open the output of the last command in a pager such as less