> I still don't get why would you want to use a terminal app to code when you can do all of this through IDE extension which does the same except it is better integrated.

Because then you need to make an extension for every IDE. Isn't it better to make a CLI tool with a server, and let people make IDE extensions to communicate with it?

Claude Code has an update every few days. Imagine now propagating those changes to 20+ IDEs.