Rename Authorization methods to match oagen hints

setOrganizationRolePermissions -> updateRolePermissions
addOrganizationRolePermission -> createRolePermission
removeOrganizationRolePermission -> deleteRolePermission
getResourceByExternalId -> getOrganizationResource
updateResourceByExternalId -> updateOrganizationResource
deleteResourceByExternalId -> deleteOrganizationResource
listRoleAssignments -> listOrganizationMembershipRoleAssignments
removeRoleAssignment -> deleteOrganizationMembershipRoleAssignment
listResourcesForMembership -> listOrganizationMembershipResources
listMembershipsForResourceByExternalId -> listResourceOrganizationMemberships
listEffectivePermissions -> listResourcePermissions

BREAKING CHANGE: 11 Authorization method renames

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>