Expose a body-only edit mode with one exact anchor and revision CAS. Preserve frontmatter, capture the complete old/new source, and report an honest host-derived delta without selecting the semantic writer. Add consumer and refusal regressions; keep release carriers unchanged for contributor integration.
NOT_REVIEWED integration checkpoint for READY 02-COGNITION. Contains linked knowledge, book composition, source retention, Nano view primitives and native multiwindow review. Full phase review, shared model/loop wiring, book migration and live acceptance remain pending. No version bump, tag or public delivery.