This is missing one thing I find helpful in the web-based game. The on-screen keyboard which colors the letters according to your guesses which makes it a lot easier to plan your next guess.
echo abcdefghijklmnopqrstuvwxyz | tr -d 'adieu'
I do this anyway, because instead of the normal order I put the alphabet in frequency order, so I get the list of letters in the order I should be considering them.
It's possible to "cheat" quite a bit using the shell. Exactly what does and doesn't count as "cheating" is up to your personal comfort level. For example, the frequency analysis of the official wordle word list is rather different than English at large...