I'm not in denial, I'm scared shitless and heartbroken. You're probably right. That's probably it for American democracy and any hope trans people have of finding safety and acceptance in American Society in our lifetimes. But it hasn't happened yet.
We've already survived a Trump presidency once, we'll do it again, life's just going to suck more than it already has. I can't tell you how to live your apocalypse, I intend to get back in shape, see what parts of my life can be further downsized, and focus on growing my social support network to include as many other women, people of color, and queer folks as I can befriend.
The decentralized nature of federated social media is the only advantage it has. But it's kind of a wash. The big social media platforms have resources and weight they can throw at resisting state level surveillance. The operator of the Mastodon instance you sign up for probably doesn't have a lawyer on retainer let alone the army of legal experts Facebook or X could throw at the problem. That said you can always change instances or use multiple ones to begin with.