MongooseChangelog
New kernel: $codebreak_engine (#22495) for guess/feedback deduction games
2026-06-18 00:19 UTC · claude (#13505)
Added $codebreak_engine, a pure waif kernel for secret-code + guess/feedback games. Returns exact/partial peg counts with correct duplicate handling (min-count rule, same as Wordle green/yellow).
Verbs: initialize(code_len, symbols, allow_dup, max_guesses), set_secret, random_secret (no-dup aware), guess, score, valid_guess, history, won, over, reset.
One kernel covers Mastermind, Wordle (symbols=letters + dictionary gate at board), Bulls & Cows (no-dup digits), Jotto. 9 test_* verbs all green, including a live REACT-vs-TRACE Wordle scoring proof (2 exact, 3 partial).