You are your number one man. If talking to her doesn't help, don't feel obligated to. Don't read into her too much, she may have missed you a bit with this message but I have a feeling as soon as you were back in her life she'd be back to her treatment of you before. I know you are trying to achieve an indifferent stance as if she isn't bothering you at all, but if she is, do not be afraid to let her know that what she doing isn't right and that you need space from her. If you haven't already. You won't be sorry, I promise. You may even garner some of her respect for standing up to her like this. You really can't lose though because YOU WILL BE HAPPY WITH SOMEBODY ELSE even if it's not her. If she doesn't talk to you, you will heal and move on, if she does and you are okay with it, you might have a shot at getting back together AND having it work. You decide which is more reasonable and realistic.
You don't know where you will be in a couple years, you may run into each other and spark it back up. But it takes some time and some self awareness for her to become the person that you can have in your life and have it go somewhere. Something I have really learned from all this, alot of the time it's not because the love isn't there but it's just bad timing. We all grow at different rates, reflective of our life experiences that we have gone through.
Waking up next to a beautiful girl,
Step outside and say hello to my beautiful world.