My firm uses cold-formed shapes (Zee girts, Zee purlins, Cees, and eave struts) from Central States Manufacturing. It would be nice if their profiles were part of the out-of-the-box libraries. The exact profiles of the eave struts would have to be specific to the roof slope though.
https://www.centralstatesmfg.com/wp-content/uploads/GUID_Secondary-Framing.pdf