Voice
Exactly what the system believes about your writing voice. Drafting runs in two passes: the writer works from the writing rules, and a checker reads the finished draft against the check rules. Nothing is learned without your say-so.
Writing rules
What the drafter writes from: who you are, what may be claimed, the shape, and what to ask for. Positive only — anything phrased as a ban belongs in the check rules below, because a ban in front of the writer ends up in the email. Accepted lessons append here.
Check rules
What the second pass reads a finished draft against: prompt leaks, banned phrases, claim limits, facts. The writer never sees these. A deterministic lint catches the mechanical ones first and only calls the checker when it finds something.
Learned lessons
Proposed from your edits. Accepting a lesson is the only way it reaches your drafts; accepted lessons are your active voice.