- The return shapeRef now seeds container 'helpers' with the helper name as the member, so an inline-record helper return tables helpers_<name> instead of helpers_<name>_return; parameter naming (helpers_<name>_<param>) is unchanged
- The contract fixture gains 'extent', a helper returning an inline record, pinning the synthesized name helpers_extent in the type table and the value-kind helper return with the arena bit
- The anti-alphabetical suite asserts the new struct entry and helper row on both emissions; V13 byte-determinism stays green
- the contract fixture declares every order anti-alphabetically (type names, fields, enum members, union arms, msg arms, helpers) and the harness asserts the exact orders on both emissions
- its probe reads the identity getters before init and after a poisoning trap and the harness compares both reads to the sidecar's build_id (V12 plus the ratified exemption, end to end)
- V13 rides two independent identical invocations compared hash-equal; V11 rides nm both directions over the prefix
- the contract-attest fixture pins tuple-returning init/update, subscriptions presence, the default <out>.contract.json path, the empty absent forms, and Date.now demoting deterministic to false
- the validator suite passes a full-vocabulary conformance document and catches one targeted mutation per rule, plus SC4009 refusal coverage through compileLibrary
Chris Tate