Good question. The answer to most questions like this is "it'll probably be the same as now". I know it seems like everything is different, but we're not really trying to invent much new stuff, only what's required to take stuff out. Whenever things from today work, we'll keep them. Core review, testing, ways of preventing deleting everything on prod; they're all valuable.
In traditional design, there will be pre-commit code reviews and staging env with limited access. But looks like Dark get rids of all of this?