Ukraine

Don't worry, we've left some diving fins and an electric scooter as decoys while we relocate most of the strategically useful inventory to Lidl

They might find some of Aldi's nuts.

With the immense power contained within the kid's activity books, seasonal candle holder, and random baking sheets they find, Russia will be unstoppable!

The Russia won't run out of military equipment anytime soon. The most important reason to destroy it is that it's expensive to replace. And when it comes to air defence radars, also not really all that possible to replace.

What brings the war to end is economy. The Russia's economy won't survive very long anymore, and once the state is bankrupt, it no longer can pay the high salaries to its soldiers. Since the soldiers are in it almost exclusively for the money, that will mean there will no longer be new soldiers to replace the losses.

The Russia can of course print more money, but that will cause inflation, meaning that the soldiers' salaries need to be raised more, which increases the need to print more money, which... :)

North Korea are proving to be more helpful than expected and have tons of old Soviet era hardware that they would be willing to sell in exchange for some more rocket tech or nuke stuff.

According to Wikipedia the Soviet era tanks NK has is a few thousand T-55s and some T-62Ms. The T-62 varients are likely good enough to use on the battlefield, but the T-55s may not even be worth the fuel it takes to transport them. Remember Russia was fielding some T-55s not by using them as tanks, but by filling them with explosives and sending them uncrewed against Ukainian lines as bombs-with-tracks.

NK also has a bunch of 60 and 70s era Chinese tanks, but China may object to actual Chinese military hardware fighting in Ukraine.

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Whether they have run 'out' is moot. They've squandered their BEST, at any rate, and aren't bothering to use what remains, and that's kind of the point. Saying that it's 'half gone' is the same as saying it's ALL gone in the context of trying to conquer ukraine. You have to keep a fleet available for credible border defense, future offensive operations (which are now probably off the books) and internal oppression of your own population. And as you say - both in terms of armor and artillery - even if you have remaining stockpiles, you can't sustain this burn rate, and each piece you move forward is less effective that the one it replaced, both in terms of age, utility and the caliber of who's left operating it.

Capabilties degrade when you piss away your army in a sunk cost fallacy revenge project.

I have had the understanding since already around summer 2022, that the Russia is completely all-in. Putin sees it so that the Russian Federation equals Putin. For him the loss of his junta means the death of the Russia. If not putting everything in play means your junta will be toppled (that is, in your eyes: Your country will be destroyed for good), then you will absolutely put everything in use. After all, what use is it that you've saved some tanks in storage if your country gets destroyed for good?

They might hold on to a part of their tanks for a couple of months or so, but quite soon they will be on the front as well.

Honestly - I think that's probably what anyone would say to a Mad King. They honestly probably thought that life is too good to screw it up - that he wouldn't actually invade and ruin the whole damn party. The intelligence services and siloviki (baron merchant oligarchs) were all fat, rich and controlled a huge, fairly rich country life a mafia. Why screw it all up? For the vanity of a wicked old perverted gangster ghoul.

China if you are listening...

If this were a board game, now is precisely the time that China would push into Siberia all the way to the Western edge of the Urals, and there's not much Russia could do about it short of nukes.

No doubt. Wihout expending a single soldier's life or piece of equipment, they got promoted to undisputed master of the axis of authoritarian nightmare shitholes, can demand ANYTHING from russia going forward and won't be refused. They solved all their water, resource and mineral needs for a century or more, have gained strategic access to the North Pacific, which China has n-e-v-e-r ever had in history. Russia has become the junior vassal resource yard for China's next century of growth. Now they have to solve their demographic problems, or it won't matter much.

Putin will end up being the worst russian in history, which is REALLY an accomplishment. The man who gave the country away to China, pissed away the entire inheritance of the USSR, destroyed their primary export markets for a vanity revenge project.

Could be. The recent, obvious strategy of flying drones and jets blatantly into NATO airspace has some purpose behind it. It seems foolhardy to invite NATO to attack Russia, but in that case, you'd probably see a much more explicit level of support from China, including direct military support/aid or even Chinese military intervention. On balance, I think the probing nature of those recent incidents is just to test the political response of NATO, see if they're really willing to take action over transgressions in Poland, Romania & the Baltics.