Bless your heart. I can only imagine how you were/are feeling
My guess is that she will want to believe what you said. There will probably be a part of her that says, "boy, that all sure sounds like intuition!" but the other part, the part that will win, will say, 'no way ... I can't believe an employer would make her go to such a seminar! The blasphemy!"
As days go by, the more it will be forgotten by her because she will WANT to forget it. My guess is she loves you a lot, and wouldn't wish bad things on you for all the tea in China. So she'll keep the "secret" and just wonder ... wonder what it is she really does know.