Okay, sorry for the delayed answer. It seems Russia actually tried to get some peace talks going, but they failed. Nevertheless, given the war in Ukraine, Russia lost its credibility as a force, so I think it was natural for both sides to call another party to mediate talks.

@alyaza@beehaw.org wrote:

still(?) have peace keepers in artsakh

Yes, they do have peace keepers, but they cannot do anything against the blocade tactics employed by Baku