Standard-Schema v1 shape (zod v4 implements it). Declared LOCALLY so the Service interface can carry the typed-opts slots
with NO runtime validator dependency in Phase 1; Phase 2 replaces this with @standard-schema/spec and populates
serviceOpts/brandOpts with real zod schemas (zod as a peerDependency). Out carries the inferred value type.
Standard-Schema v1 shape (zod v4 implements it). Declared LOCALLY so the Service interface can carry the typed-opts slots with NO runtime validator dependency in Phase 1; Phase 2 replaces this with
@standard-schema/specand populatesserviceOpts/brandOptswith real zod schemas (zod as a peerDependency).Outcarries the inferred value type.