Russia will eventually withdraw leaving partisans to continue some amount of chaos in the region.
And this take is based on what? The Ukrainian offensive failed miserably everywhere the Russians had choosen to defend. The only success was the area where the Ukrainians managed to put ten to one numerical advantage against the Russian rear troops and rebels. The idea was to encircle and take them prisoners which didn’t work. Not a lot of the defeat and victory respectively.
Withdraw from all of the Donbas occupied territories?