Read-only check whether a family is revoked.
Returns true iff a family record exists AND its revoked flag is
set. Returns false if the family does not exist OR is not revoked.
Hot-path operation (called per request from token-validation routes).
Per A3 §5.3.
Mark a refresh-token family as revoked. Idempotent:
Per A3 §5.3.
Family revocation wrapper. Distinct from rotation per Theme B (per
feedback_split_interface_unless_responsibility_intersects): different triggers (admin operation / logout cascade vs. normal authentication flow), different callers, different expected outcomes.Idempotent revoke + read-only check. The default impl (
createRefreshTokenFamilyRevocation) ships asdefaultRefreshTokenFamilyRevocationModule.Per A3 §5.3.