Milk supply regulated?

I am almost 3 weeks pp and to make a long story short, I was supplementing and pumping and just started exclusively breastfeeding a few days ago. I noticed that ever since I stopped pumping and started bf that my boobs never get engorged anymore. Every time my baby feeds they get super flaccid and feel empty. Even if we sleep a long stretch they are barely hard at all. I tried to pump several times to get my supply back up and I ended up bottle feeding what I pumped because it seemed like she wasn't getting enough at the next feed. Did my supply regulate already or do I just have a low supply? I have nothing pumped for when I go back to work. 😩