I don’t know, maybe have an ounce of solidarity and don’t engage with transphobia.
Yeah ... best thing she could do is just not comment on the issue at all, ever. Just don't engage with the culture war bullshit at all. Any time she's asked, ignore the question and talk about economic issues or rule of law instead.
"Do you think trans athletes should be allowed in girl's sports?" --> "What I care about is making sure the American people can afford to buy groceries, making sure they're not getting unconstitutionally snatched off the street by masked federal agents."
That's how you can win from the 'left' while in a heavily right-leaning district.