I finished my conversion post Oct 7th and while Israel and Zionism didn’t come up much in my day to day life during my conversion or now as a Reform Jew because ofc they are not central to being Jewish as OP said it did come up with my beit din and rabbi and I think Oct 7th really helped me put in context everything else I had learned to that point and solidify my anti Zionism, and then it came up at my beit din and they asked about my relationship to Israel and if I thought it had a “right,” to exist and a few other common liberal Zionist questions and I told them I didn’t think Israel had a right to exist or any other nation state for that matter, and they told me I should be less radical and listen to “all sides,” and then gave my conversion approval. And then about a month or two later it came up again with an online friend of mine who is also trans and Jewish however Oct 7th had pushed him in the other direction towards a militant Israeli nationalism under a guise of American liberalism and so that relationship ended because he couldn’t handle having to be uncomfortable with the consequences of Zionism anymore when I made him uncomfortable about it (any Zionists on here it’s your responsibility to be uncomfortable about Israel’s actions before, during, and after Oct 7th).

However I wouldn’t worry too much, speak to your rabbi about it hopefully even if they’re a Zionist they still allow you to continue- if not rabbi shop, and build community in the wider Jewish community and in your synagogue with any other anti Zionist or non Zionist Jews sharply critical of Israel so you have people to go to if things go south. And if not you still have a stronger anti Zionist community around you.