Page saves keep every revision. An explicit purge drops only inactive
revisions older than a timezone-aware cutoff, keeps live bytes and deleted
page history, and stops if a stored hash does not match. Interrupted copies
and moves resume from a journal without deleting a changed source or granting
destination access. Private corpus review remains open.
Assistant: grok
Assistant-Session: 01a12cc2-e3b2-77a3-8aef-9cc60e577fee
Thin CONTENT_ROOT content plane (ADR-0003/0004) with space visual field,
product UI for Title/Abstract/Visual, page list sidebar, and tests. Update
capability model and smoke checklist; mark WP-0006 finished.
