* careful — operator hits OPSEC_HISTORY_TOKENS AND tail-K commands
include _CLEANUP_TOKEN_HASHES (re-imported from temporal.py).
* learning — history hit without cleanup-tail follow-through.
* careless — no history-clearing vocabulary at all.
Confidence 0.45 (small lexicon, soft); 0.30 below
MIN_COMMANDS_FOR_FULL_CONFIDENCE.