diff --git a/.claude/commands/review-repo.md b/.claude/commands/review-repo.md
index b8eeaa0..fb1c48d 100644
--- a/.claude/commands/review-repo.md
+++ b/.claude/commands/review-repo.md
@@ -25,7 +25,8 @@ report the rest, and write a tracked report to `docs/reviews/`.
 ### Phase 0 — deterministic pre-scan
 Run `python3 scripts/repo-scan.py > /tmp/repo-scan.json`. It returns the **inventory**
 (roles, ADRs, runbooks, playbooks, scripts — your shard list) and **exact findings**
-(markers, broken refs, unencrypted vaults). Fold these into the report verbatim.
+(markers, broken refs, unencrypted vaults, ADR-structure violations). Fold these into
+the report verbatim.
 
 It also emits two deferral checks (see Phase 2): `open-deferred-item` (every still-open
 ADR "Deferred/Open" entry — a checklist to confirm) and `stale-deferred` (an entry
diff --git a/CLAUDE.md b/CLAUDE.md
index cab6b27..6a2586d 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -231,6 +231,7 @@ Single-contributor, trunk-based (no merge requests / approval gates):
 | Firewall strategy      | `docs/decisions/020-firewall.md`      |
 | Operational access     | `docs/decisions/021-operational-access.md` |
 | Backup & disaster recovery | `docs/decisions/022-backup.md`        |
+| ADR structure & lifecycle | `docs/decisions/023-adr-structure.md`     |
 | Adding a new role      | `docs/runbooks/new-role.md`           |
 | Adding a new host      | `docs/runbooks/new-host.md`           |
 | Rotating vault secrets | `docs/runbooks/rotate-secrets.md`     |