How can I help my depressed girlfriend while protecting myself?

My girlfriend is depressed and coming off Adderall, so she's been lethargic and sleeping all day. But we're about to move apartments, and I've been managing everything by myself. I need her help packing and selling things, but she's been frozen and unmotivated without Adderall. She quit because it interfered with her sleep and made her drinking worse.

Should I help her find a therapist, or would that be overstepping? Selfishly, I want her to be functional to help me with the move. But I don't know if it's my place to call therapists on her behalf. I know she won't do it alone.

How do you support someone with depression without taking over? I don't know what I should help with, and what she should handle alone.