I wish I could hug you, You are having it hard. If you are in the top 1% then maybe I make the 10% club. I had nausea quite bad for the first 8 months. I felt the same as when I was pregnant. I don't think it is / was as bad as you are suffering. I could eat tiny slivers of cheese. I could eat deli meat in tiny bits and jerky. I could eat Melba toast with soft cream cheese on it. I could also manage milk and peanut butter. So this is what I lived on. I never made my protein or even the liquid requirement. I never was able to take my calcium tablet. I survived but I was so lacking energy. My family were worried about me. There are still foods that revolt me like eggs, hummus and fish. I still eat a lot of dairy. I have no room for carbs.
Slowly I began to eat a little more and then the nausea became less and less. I have a huge restriction, I can only eat 50 grams of meat. I eat 4 small meals a day, down from 5. I can not eat late at night because of severe GERD, waking with acid in your lungs is nasty. I can drink big gulps now which is a blessing.
Just continue to eat what you can, when you can. Forget low calorie, try a big variety, some of it you might be able to keep down. Don't give up