Owns is now a static rule over (declared, claimantOf): a registry supplies both from its indexes, a cacheless writer supplies its one entry, so
the hand-written cacheless lambda is deleted and a renamed entry listing the writer's id is owned by both. The schema-name check is the
claimant selection and is pinned. Variant read-whole flag pinned for rewrite, flatten and remove.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2137b10efb