He won't run in 2024. He, at a minimum, the next 4 years is going have the GOP by the nuggets. He's going to be able to make a TON of legal money, as aspirants come to the palace to kiss the ring ang gain his blessing. Speaking totally neutral here, but he IMHO, will be much more powerful outside the WH rather than in. He's literally going to be giving the GOP marching orders for the forseeable future, and he'll create several clones of himself looking to fill the vaccum when he's gone.
The dividing line here is of course the dichotomy between 'he's only in it for the money and power'/'he's a patriot who withstood hell to do what's best for the country he loves'
Time will tell