Use when users ask how to create, configure, secure, access, replicate, lifecycle-manage, or troubleshoot Amazon S3 buckets and objects, including storage classes, encryption, bucket policies, ACLs, Block Public Access, presigned URLs, static website hosting, event notifications, replication, S3 Glacier, Mountpoint, or S3 API behavior, especially when they need official Amazon S3 documentation, exact links, or docs-grounded guidance.