The "possible answer(s) remain" list (shown when <=20 candidates)
was sorted alphabetically, out of step with the ranked suggestions
printed right below it. Rank it with the same heuristic instead.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Some real Wordle answers aren't in the bundled answers.txt list. This
adds a REPL command to append a word to answers.txt and remove it from
guesses.txt if present there, since the two lists are meant to be
disjoint.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>