Hi,
Good on you. Well done. I think it will be important to stick to your LC and follow her advice. Have you considered using an SNS (supplemental feeding system) at the breast? Your LC would show you how to use it, and it will get your baby feeding at the breast if she is refusing. Usually it works pretty well with a younger baby, though you feel like you need extra hands when you first try it out. Many health professionals might have taken a more "wait and see" approach. Observed the baby and signs of your milk supply. Early formula comps do have a negative impact on breastfeeding.
Warm Regards
Barb