I love your ideas and actually felt the same way about the problems you described. In the upcoming v0.19 update, I have made some small changes to Ms. Lane's dominant path made some slight changes to Ms. Clarke's path, but ultimately it doesn't fix your biggest problem with it, though your idea is a very good one.
I have also completely changed how corruption and possession vials affect the characters. I disliked how they became empty with the possession but also disliked how some scenes took a week to see an effect of a vial, so that has also been improved massively.
Thanks for checking out the game! I hope to release v0.19 soon.