Second, we share all of our sets of skills in a purpose built registry: https://noriskillsets.dev/ you can use any of our public skillsets from there. If you're on a team you can also sign up to get your own private registry. Makes organization much easier.
Finally, for local development, we use this CLI to manage skills (https://github.com/tilework-tech/nori-skillsets). This is a tool that lets you bundle skills into groups, and then switch between those groups. So for eg if I'm making a slide deck I'll use an admin skillset, and for coding I'll use a swe skillset, and for debugging I'll use a debugging skillset.
We do keep tinkering with our skillsets, but not very much. I don't get the need to adjust things for every model release, doesn't seem necessary for us in practice