In a revolution, where the parties are very belligerent against each other and their disagreements and demands remain very distant, no agreement for peace or ceasefire will be long-lasting. What the parties do during a cease-fire or peace agreement, is regroup and rearm and plan again.
It ain’t over till it’s over, and in Russia, nothing is ever over.
Prigozhin and Putin have been pretty close, for a long time.