I don't want to use the same key in multiple contexts, but I think some norms around how keys are stored would help build best practices around them. It would

I don't want to use the same key in multiple contexts, but I think some norms around how keys are stored would help build best practices around them. It would also potentially mean easier to use with hardware tokens, if you could just expect to be able to use something like gpg-agent or ssh-agent or something in between to work with various things.