## Goal Thin MASTER.md update: Phase 15 closed (PRs #543–#547), Phase 16 active. Keep ≤150 lines. ## Acceptance - [ ] MASTER reflects Phase 15 closed / Phase 16 open - [ ] ≤150 lines; no trailing whitespace - [ ] PR closes this issue ## Super S — progress index only
Goal
Thin MASTER.md update: Phase 15 closed (PRs #543–#547), Phase 16 active. Keep ≤150 lines.
Acceptance
Super
S — progress index only