Neither side will accept a contrary result. That is the first premise, the fact on the ground.
The best that could happen is that DJT prevails in the audit and challenge and is re-elected. The chicanery and treason gets exposed and people go to prison for a long time. A corollary to that is that the rioters riot but only in soft-target, liberal locales.
The worst that could happen is that biden sails into the white house on the wings of fraud and treason. Then his admin visits its wrath on conservatives while rolling back all the good DJT has done via exec orders.
The in-between is somewhat plausible: leftists and righists get gun-happy and bring the Nat. Guard into the streets.
It is good to think beyond American borders, to what America means, to Hong Kong, to Iranians against the Mullahs, in many other places in the world. This is on the level of the Arab Spring and the Color Revolutions, the color here is Black, for Soros to have the feather in his cap of having overthrown the American government is the biggest coup since the Mossad overthrew the Israeli government. But we can only play defense so long, eventually Soros and his son have to be detained.