In a (possibly near) future where most new code is generated by AI bots, the code itself becomes incidental/commodotized and it's nothing more than an intermediate representation (IR) of whatever solution it was prompt-engineered to produce. The value will come from the proposals, reviews, and specifications that caused that code to be produced.

Github is still code-centric with issues and discussions being auxilliary/supporting features around the code. At some point those will become the frontline features, and the code will become secondary.