a good idea should be independently inventable or findable.

I'm only aiming to write my protagonist as being an aspiring Bayesian rationalist, not a Yudkowsky-level or HJPEV-level one. In a later chapter, while her emotions are being artificially manipulated, her inner monologue reads:

I'm so jealous of... of... the people who are actually smart. I'm well aware that I'm not nearly as smart as I like to think I am. All my seeming cleverness - it's all just tricks, things that anyone can do if they knew. I can't do anything that requires real intelligence, like come up with a truly new theory - the best I've been able to do is come up with 'new' insights that others have come up with so many times before. What I wouldn't give to develop an actual new idea, think a thought that hasn't been thought before - to be the first one to understand something...

... which, I hope, describes what I've been aiming for reasonably well.

Still feels like a hole.

Then it quite probably is one.

ch34: use of Laplace's law painfully didactic.

Well, at least I know I was able to get across the idea that she was being painfully didactic. What I seem to have failed at is explaining that it was the didactness she was going for at that point, and Laplace's law was simply one of many possible topics for her to natter about.