Try this one on for size -- OK, went back to his (our) house, we argued a little about working things out. Then we went looking for houses together. Things may all work out between us.
You're absolutely right - I have been thinking on the same lines, as to this could be her fantasy of hoping things may work out between us. If I were to merely go by actions, then she is still staying in her current place and there have been no genuine attempts to apologize, come clean. In her mind, I reckon I am the one who is wrong as I chose to finally get off the crazy roller coaster - and these 'breadcrumbs' are her way of getting me to crawl back to her, so she can feel justified (insert whatever reason in here).