If this is implemented by some sort of pattern matching, could we also inform users that run0 nano/run0 vim should be avoided and tell them to use run0edit instead?

This is not implemented by any sort of pattern matching. (The only pattern matching going on here is matching $- against *i* to determine whether the shell session is interactive.) It's implemented by creating a shell function called sudo, which runs when the user attempts to invoke the sudo command. In theory this could be done for other commands, but that seems like it would be complicated to maintain for not much benefit. The reason for doing this with sudo is that it's a very widely used command that's absent on Secureblue, and is therefore a common source of confusion for new users.