Add publication ids and metadata to estate ADRs

Prefix CUST-ADR-001–011 and record owner, revision, and review dates
so policy-nexus can publish them. Estate arc42 chapter 9 updated.

canon/architecture/adr-011-federated-namespaces-and-reconciliation-limits.md

@@ -1,11 +1,14 @@
 ---
-id: ADR-011
+id: CUST-ADR-011
 type: architecture-decision-record
 title: "Federated Namespaces: Four Planes, Declared Posture, and the Limits of Reconciliation"
 status: proposed
+owner: the-custodian
+revision: "draft-2"
+last_reviewed: "2026-08-17"
+review_interval: 6m
 decided_by: Bernd Worsch
 date: "2026-08-17"
-revision: "draft-2"
 tags: ["architecture", "federation", "namespace", "identity", "reconciliation", "posture", "fos", "adr-007", "adr-008", "adr-010"]
 ---