# Lock — 4. Chapter 16 readiness lock

Generated by scan_project.py — edit canon, then re-scan. Do not hand-edit this card as a source of truth.

```storyos-meta
{
  "card": "lock",
  "id": "4-chapter-16-readiness-lock",
  "source": "POST_CHAPTER_15_SEMANTIC_CLEANUP_2026-09-11.md",
  "source_date": "2026-09-11",
  "authority": "user-locked decision",
  "status": "active"
}
```

Chapter 16 later used `canon_coverage/Canon_Coverage_Chapter_16.md` before prose; this audit is now historical and the live status is after Chapter 16.