What should I do about this girl?

This this girl, name Ashley. We met last year, and hangout. (Try to make this story as short as possible.) Found the she had a girlfriend after we met and told her that she was too cute to just be friends and I wanted to end the friendship (seems like a smart thing to do, since I was starting to have a crush on her), she told she still wanted to be friends.

Next thing I know she asked me out on a date, then ghost me for a few days and got back with her girlfriend. I understand and respected.

However, for the last year now, I have caught her unblocking me. (I have never block her, she always unblock me.) I want try to text her but she end up blocking me, what is she trying to do and why? And what should I do about it?
What should I do about this girl?
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