A friend’s depression affecting me

Both 25F. I just spent the afternoon with a good friend who is currently struggling with depression. I could literally feel her negative energy dragging me down throughout the meeting. As much as I would like to help her, it just isn’t possible. I tried to support her by bringing her flowers and chocolate at least and offer her advice on her situation and distract her with interesting stories from my life. None of it worked (I’m not a mental health professional) and she went completely silent and just “stared into the void” several times during the meeting for minutes at a time. I tried to remind her of the good times we had together in the past but it was like that part of her is gone and the depression has taken over. I ended up paying for her bill and taxi home and she apologised the meeting went to badly. This meeting has really affected me energetically. A part of me was happy to see a close friend who I haven’t seen for a while due to her mental health but at the same time, it was like there was a bubble of heavy negative energy around her which I could sense and literally feel around me and in my stomach. This negative energy has kind of dragged me down for the rest of the day too. Is there any way to cleanse this negative energy from my energetic field? I don’t want to cut her off by any means, but I couldn’t handle another meeting like this. What makes it more difficult is that she is a close friend and was my emotional support and source of joy/friendship until the summer when her depression kicked in. I miss the old her, and I feel pretty down about this