Status: IN
Adding a CloudTrail delegated administrator via CloudTrail console/CLI/API auto-creates service-linked roles (AWSServiceRoleForCloudTrail, AWSServiceRoleForCloudTrailEventContext), but adding via Organizations CLI/API does not.
Source: entries/2026/03/12/awscloudtrail-latest-userguide-cloudtrail-delegated-administratorhtml.md