Resume Codex session from latest jsonl file

Codex CLI pro tip:

restore the context from your most recent session by adding this function in your bash/zsh/fish config (ask codex to do it for you!)

run codex_continue to use it

props to @fcoury for sharing

gist: https://gist.github.com/iannuttall/d6eab4afee03832497c2147b9c135a21