Added PERSON_NOT_FOUND to ErrorCode; getById, updatePerson, mergePersons now throw DomainException.notFound for missing persons. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Added PERSON_NOT_FOUND to ErrorCode; getById, updatePerson, mergePersons now throw DomainException.notFound for missing persons. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>