[nfrmatk]

I think that you can do something like this with VS Code's Live Share[1] feature. And I think it's possible to do read-only sessions as well. Been a while since I looked at that feature though, so I'm not certain.

[1]: https://docs.microsoft.com/en-us/visualstudio/liveshare/use/...

[wtallis]

That seems to be pretty much what I was looking for. Thanks!