Nope. Russia’s objective is to keep Ukraine in economic turmoil and tied up in a disputed situation in Donbas. Russia could have annexed Donbas years ago if they wanted to. They have not because they don’t want it.
Nope. The Minsk agreements are about ending the war by reintegrating Donbas back into Ukraine with the amnesty of insurgents and restoring their voting rights.
Putin doesn’t want to hear about Ukraine as long as it is out of NATO.
Biden wants to keep it on fire for wag the dog purposes. Ukrainian government is barely a factor. They are doing what Biden says them.