With a little determination and routine, hopefully she will catch on to the veggie eating thing. I know it can take some a good long time before they finally give in and give it a try. Just do what you are doing and stick with it.
Good to hear you've already gotten the vit A supplement. You're on the ball, and obviously have done your research
I have also heard that adding aloe to their bath water or misting water is great for their feathers. Haven't tried it myself tho, so I can't say that through experience.
You keep showering that little gal/guy with love salyummz and she will return it 10 fold.