That is hopefully managed by a plugin to vscode or a web app. Git feels like the substrate, appraise the middle layer, and for mot use cases an UI would be added on top.

Unlike regular git where command line is surprisingly useful despite being an awful mess (It's just hard to make better tools for many git tasks), I don't think command line code reviews would be the primary user interface.

there is a web interface [1] and also an eclipse plugin [2]. It would be nice if there was an intellijplugin as well.

[1] https://github.com/google/git-appraise-web [2] https://github.com/google/git-appraise-eclipse