As due to the nature of Yocto this layer will stay on its own and any interested party can pull this into their build. Yocto generally is build out of layers so this is fine.
+1 from me, this will gain official recognition and will open the path to automated testing. I don’t know about the name tough (meta-snappy feels a bit mysterious), how about snapd-yocto?
I would like to reignite this topic. We are currently maintaining a fork of meta-snappy in our project, have full confinement working, also have the tooling to create a snap seed as part of the yocto build process.