Russia is treating this conflict as a side-war like the US war on terror (5% of GDP), this is a big factor to why they are maintaining continuous lower intensity pressure. As far as economics go they quickly circumvented the sanctions, integrated with China and other non-western states, and inflicted a lot of damage to European economies. The War has costed them some blood and treasure but very little compared to what it cost Ukraine and NATO.
This is not a stalemate, the war was lost by NATO in 2022. NATO has been de-fanged by Russia, losing hundreds of billions of aid money & dollar value of armaments to Ukraine. Worse, NATO and the US exhausted their ammunition supply while would take many years, some estimates are 1-2 decades to recover. The whole world knows that Western weapons, tactics, and training are average and don't present a world-beating threat. Trump said that Ukrainian government manipulated the West into the war; this is correct.
This war shows that the US-UK NATO is good only far spamming propaganda rather than military results. They should have thrown the Russians out long ago. This shows how stupid Americans and Europeans are.
Ukraine is in permanent ruins with no economic future lost more than 10 million people, and the Russians control most of the annexed pro-Russian provinces. Now Ukraine- US are trying to negotiate their surrender.