ADR-0087 exemption (no-migration-prescription): the stored content hash of a metadata body stays the canonical hash at rest and no metadata body, authorable key, spelling or export moves; what changes is the form a door serves the hash in (a keyed digest: the crypto provider's, or a process-scoped ephemeral key's when none is registered), the form an inbound version token is compared in, and which query shapes the doors accept over the two hash columns, so `objectstack migrate meta` has nothing to rewrite. The operator-run rewrite this release asks for is of audit, activity and decision-audit copies, not of metadata. The other categories are closed on facts: every package here publishes (not `unpublished`); no ADR-0087 id covers a served version token or a refused query shape (not `registered` / `already-registered`); and the change is runtime behaviour, not a declaration (not `runtime-interface-only` / `type-surface-only`).