Validate and canonicalize a BrandRef/BrandKey domain.
The JSON Schema enforces portable dotted wire syntax. This helper adds the
runtime policy needed before brand discovery: a production name must have a
registrable domain in the pinned ICANN+PRIVATE Public Suffix List and must
not be an IANA special-use name.
Validate and canonicalize a BrandRef/BrandKey domain.
The JSON Schema enforces portable dotted wire syntax. This helper adds the runtime policy needed before brand discovery: a production name must have a registrable domain in the pinned ICANN+PRIVATE Public Suffix List and must not be an IANA special-use name.