Oh, Dakota, I had a wonderful induction with my son! I was very much in the same situation as you, although at 35 weeks.
I can especially identify with the emotions you mentioned in your last paragraph, so I'll speak straight to that. Here's the thing about pre eclampsia- it is serious. I understand that this is a very hard idea to embrace when you have likely spent all of your pregnancy focusing on "pregnancy is natural, normal, healthy and safe, for me and my baby" I used Hypnobabies, too, and that was my mantra. I had great difficulty adjusting to the need for an induction because it was so far off my radar at the time.
Much of what I learned about pre-e came afterwards. My fast advice to you is have the wisdom to know when to let go a bit. For starters, a urine dip is probably not going to be the best method of detecting protein at this point. The standard is a 24 hr urine. It is far more reliable and that is likely what the hospital staff will want you to do. Pre-e only gets worse. It doesn't get better until the baby is born, so you may want to adjust your thoughts about going home. I'd really suggest you reconsider the AMA part, especially. Your blood pressure is likely to increase and it can go up quickly. If you are home, you have no way of treating that. I'm guessing you know what the outcome of super high blood pressure. Its not good- for you or baby. If you are at the hospital, your BP can be treated with meds. Ask for the safest class of drug (methyldopa is generally considered the safest but not always the most effective) Hypnosis is going to help, but it cannot compete with what your body is doing.
Considering how far along you are now, I'd suggest going for the pitocin now. It is far better to have an induction when you are stable than when you are reaching more of a crisis mode (which is going to happen if your pre e continues)
Adjust your thoughts about meds as much as you can. It is very likely that you may need some. Magnesium is very commonly used with pre e and it's purpose is to prevent moms from having seizures during birthing. So..... try (as much as it may be difficult) to see the meds as a potentially helpful thing, if you can. You can always talk over every decision with the doc beforehand.
Ok, and then there's the pitocin. Work your Hypno as much as you can. Listen to your Fear Release over and over. But also try to accept that pitocin does something to your body that natural labor does not. If the time comes when the birthing waves are more than what you expect, be open to pain relief in med form.
Don't worry about eating. Eat when the nurses are out of the room, though that won't be very often.
If you still have time to read more, I gladly tell you that I had the most wonderful induced labor with our son. It was not at all what we had prepared for with Hypnobabies, but it was still great. We let the nurses know that we had planned and hoped for an intervention free birth. They understood what that meant to us and respected all of our requests. We kept our room dark, we listened to Relaxation Music the entire time. Everyone used low voices. After the cervadil was placed, I had pitocin about 12 hours later. DH and I kept working through all of the Hypno tracks. By 1pm, the Pitocin was just more than what I could work with and I had an epidural. It was exactly perfect and what I needed. I relaxed, laughed, enjoyed the company of the drs. By 2pm I was pushing. I asked the dr to perineal massage and she did. Our son was born 20 minutes later. BFing went perfectly and I saw no ill effects of any of the meds (and there were a lot!) He was alert and a good eater and honestly, I felt great, too. The next day I had no soreness, I really felt awesome. The birthing was just the most perfect thing. I would do it over again every day if I could.
You will do great!