> eventually you may have to choose between going back into an office at least part-time or finding something else.

Resume/LinkedIn, savings and mindset are important here. If you want the freedom to say "That's gonna be a 'no' for me, dawg." when your company decides they want everyone to RTO, you need to be mentally prepared for it as well has having a good profile/resume and enough money to tide you over. That takes planning.