If you can get hands on an antibiotic, such as amoxicillin, it might be good to start her on one, just in case one of the soft eggs has broken inside lately.
She is having some soft shell egg issues, which could be due to salpingitis or a shell gland problem. I would give her calcium citrate with vitamin D 300-600 mg daily in her beak to swallow for the next 7 days. Offer her some fluids, feed and some scrambled egg. She might have a reproductive...