Even if he manages to steal the next election, Trump can't live forever, and as Alby said, it is hard to imagine how the GOP survives beyond Trump.
You can't go from a "Crush our enemies: Nothing is illegal for the winner" strategy back to a "The other side has rights too: The rules matter" strategy. That dial only turns in one direction.
But here is another view.
Writing at The Federalist, some guy thinks the glorious future includes faith-based populist conservatism, and looks like Josh Hawley and Rick Scott.