I heard it can type commands before you know you need to type them

as long as it's not electron. tilix is my weapon of choice, and that's written in D.

I use just about anything that can run tmux, so I can use the same settings and shortcuts everywhere, to me a terminal that only support an OS is close to being as useful as a fork in the soup

Still looking for a lisp terminal emulator but right now, I use st

Emacs has several. M-x term is elisp all the way down, M-x vterm uses libvterm but it's still very customizable and expandable on the Lisp side.