Really? Software engineer and you just started making personalized tools recently?

Emacs has been customizable probably longer than I've been alive. Apart from tinkering with Basic, Delphi and Visual C++ when I was a kid, the first things I made were Ruby scripts as personal tools for various things. Had a personalized Emacs environment 20 years ago. Iterated on some abandoned open source projects. And so on...

I guess congrats on an AI telling you about things that have pretty much always existed.