I agree that perhaps pumping more may help to maintain your supply.
If you baby is taking well to solids and able to get adequate nutrients from her meals, you need not be too worried about her having a lack of nutrition. That being said, if she is still getting used to solids, you can consider keeping to the regular breastfeeding schedule and start off with just replacing one feeding session with solids. Increase the number of solid meals gradually so that she can still benefit from getting the nutrients needed from breast milk.
All the best!
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