>Russia resolves its governmental intemperance first
i see the history of the last 30+ years as clear indication that Russian society is progressively becoming less and less able to manage large issues. As result i think there is high probability that Russia will breakup after that catastrophe of Ukraine war similar to USSR after Afghanistan (the key to such breakup isn't external forces, instead it is clear disillusionment with existing power). For example, the Far East in particular has no good connection to Russia (and Putin was basically trying to buy them up by sending money which will definitely become problematic once the war related bills, like compensation to Ukraine, start to hit the treasure) while say getting high-speed rail Vladivostok-Dalyan/Bejing would include it into the Pacific ring of the future boom of economic development.
China is already buying off ex Soviet satellites like Kyrgystan and Mongolia. Kazahstan is also economically dependent on China. If Japan is given any reason to rearm itself to the teeth again (like a Chinese invasion of Taiwan) and Russia breaks up, they'll almost certainly retake Sakhalin and Kurlil islands back. The rest will probably all become China satellites, except maybe for South Korea.
I'm hoping that Russia actually attacking Ukraine against the strong wishes of the world will cause a similar desire to reign in China and protect Taiwan and other small country democracies. Strategic ambiguity didn't work in Ukraine and it won't work in Taiwan either. Eventually China will attack. So let's get over our fear there and just sign a mutual defense treaty. Ideally we form a NATO of the Pacific with SK, Japan, Australia, NZ, and many other small countries. It would drive China bat shit insane with anger, but they are just going to do what they want eventually unless we get together and stop them.
i see the history of the last 30+ years as clear indication that Russian society is progressively becoming less and less able to manage large issues. As result i think there is high probability that Russia will breakup after that catastrophe of Ukraine war similar to USSR after Afghanistan (the key to such breakup isn't external forces, instead it is clear disillusionment with existing power). For example, the Far East in particular has no good connection to Russia (and Putin was basically trying to buy them up by sending money which will definitely become problematic once the war related bills, like compensation to Ukraine, start to hit the treasure) while say getting high-speed rail Vladivostok-Dalyan/Bejing would include it into the Pacific ring of the future boom of economic development.