Hi Regi,
I would leave her alone, and let her make the first (and last!) moves.
If you do want to say anything, you should flip the script and tell HER, “I would love to be in a relationship with you. Tell me when you’re starting treatment for your depression and we’ll see what happens”. Yes, it can come across as mildly patronizing, but it will jog her out of her passiveness. Her, “Oh, I’m going to blow Regi off about the camping trip because: depression!”
She doesn’t get to make all the decisions. You get to have boundaries too.
Good Luck!
Inky