Aw you gotta give us time to find the thread, time to come back and read it all if we can't right then, and then time to think about an answer, if we have one. ((((hugs)))) Plus it's a holiday weekend here.
I think you could benefit from reviewing the 10 cognitive distortions posted at the top of the psychotherapy forum.
You're leading yourself into a lot of conclusions that just might not be so correct. Depression tells you lies, remember?
I think it is great that you spoke to her and shared some of your feelings!

Go ahead and ask her friend, if you think enough time has passed for her to decide on Chris or you. But you know, if she has ptsd and depression, she's liable to be in turmoil at times too, and take longer to get things figured out.
Go after "friends" and just maybe you'll find someone to love in the process.