Germany made a decision to station troops in Latvia for security reasons, anticipating Russian aggression in EU countries.
My guess is that if for any reason Ruzzia makes a breakthrough, and that is in my view not likely now that US has resumed shipments, Germany will probably find an argument to take part of Ukraine under protection. Poland likely too.
In addition, Germany has placed its largest order ever of tanks.
https://united24media.com/latest-news/germany-launches-wartime-overhaul-orders-600-leopard-tanks-and-1000-boxer-apcs-96652024
Germany to order 105 Leopard tanks to equip German brigade in Lithuania
2025
Germany Launches Wartime Overhaul—Orders 600 Leopard Tanks and 1,000 Boxer APCs
It is not a lot of tanks, given what a high-intensity war takes, but it may be a good deterrent if they also include combined weapons.
Russia's industry is unable to compensate for the loss of tanks, and does not produce new, more advanced ones. Russia's defeat is inevitable.