Role name. Must be unique within the org. Reserved system names
(admin, developer, billing, member, user) are rejected.
Response
Role created
created_atstring date-time required
descriptionstring nullable
idstring required
namestring required
source'system' | 'custom' required
Whether a role is a built-in preset or defined by the organization.
system roles are read-only; custom roles can be edited or deleted
by an organization admin.