Completes review 001 D-1 (vision.md's half landed with ADR-015):
- alk-stack.md gitea-lesson item 2: supersession note pointing at
ADR-012 §3 / ADR-015 (repo ops are External, scope + manage grant —
right mechanism, wrong axis).
- AGENTS.md lifecycle status: active OQ list updated (OQ-03
partially resolved, OQ-05 deferred, OQ-16 deferred; OQ-04/06/08
resolved via ADR-013/012/011).
- review 001: D-1 marked resolved.
All three stale statements were pre-decomposition landmines: research
docs are declared 'current source of truth' by AGENTS.md, so the
superseded admin-API design needed marking.