I've seen "too many" BPs with retained eyecaps and damaged eyes over the years- at this point, your best bet would be taking her to a veterinarian who specializes
in herps...their opinion & suggestions would be far better than we can do here as regards her health & future, especially since we aren't even seeing the snake.
When I have more time I'll read your full post...it's a little hard on the eyes ("wall of text")and it's time for my dog's walk & our dinner.
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