[BUG] SCS-IaaS mandatory "s3" service type is ambigious, untested and not aligned with the OS Service Type Authority

[toothstone]

As discussed on 2025-09-18 and on Matrix, https://docs.scs.community/standards/scs-0123-v1-mandatory-and-supported-IaaS-services implies a Service type of "s3", but the test suite looks for "object-store", which is actually out of scope since the OpenStack API listed by the Service Type Authority for that type is the Swift API.

The next version of SCS-IaaS should define the mandatory catalog in a more precise manner (e.g. in the format OS users are used to from openstack catalog list, since this is crucial for the (machine-to-machine) discovery of services.
Furthermore I suggest that whatever SCS defines should adhere with the guidelines of the OpenStack Service Type Authority.

[toothstone]

My take-away from todays Lean Operator Coffee is that most CSPs just "deal with it" and enable Swift to pass the tests, even though there is little demand for it. Customers don't seem to notice/care about the catalog entries.