The continuing resolution is the one near-term lever Democrats might have to limit the Musk/Trump administration lawbreaking.
A current tally of positions on the Continuing Resolution makes it quite clear that things are very much in flux right now, which makes constituent pressure important. Call your senators and tell them to oppose.
And yet parties disappear and are replaced by other parties. It’s not inevitable that the Democratic Party, or the Republican one, will continue to exist, just because of FPTP.