I am thinking one of two scenarios.
One, they create havoc with all the new illegal soldiers and try to stop the election from taking place.
Two, they cheat even harder than they did in 2020, and tell the American people to shove their objections where the sun don't shine.
Chaos/war = no election. OR
Chaos/war = no inauguration.
So when Buyden loses, he starts a war sometime before inauguration so he stays in office.
But he was never legitimately inaugurated in the first place...