Step 2. Understand that a 17-year-old girl is NOT a rational human being, she’s an unexploded bomb that could go off with the slightest jar, and that “gender reassignment therapy” is EXACTLY like suicide in that it’s a permanent solution to a temporary problem. Daughter needs to get into serious therapy to figure out WHY she’s so unhappy with being a woman, and family therapy would probably help, too.
Old school therapy would be productive. Hard to find that nowadays. A lot of it is woke. And it would enable her to do whatever she wants to do at this moment.