Hi Ouch
I can not say for sure as I am not a psychiatrist but, I would imagine your psychiatrist will not give you your file because it is actually her property even if it is about you.
I think with the notes being her own interpretations, this makes it very difficult for her to pass the notes onto you. What she has written is not what you have said but, is based on what she has percieved and if for example, you found something she said offensive or inaccurate, this could give cause to sue her and I think this is why they do not share their notes ....under any circumstances.
Her saying she could pass on her notes to another psychiatrist, is the ethical thing to do..... I am not even sure if she would actually send through yur entire file but, I would imagine it would rather be a summarised version of your sessions, your progress, etc.
It does seem unfair but, I think from a medical ethics view, it is the right thing to do.