I think your list of indicators is quite specific and a lot to have thought about and remembered. I think you remember more than you wish and know something happened (or you would not have stopped the flashback, may have been curious instead). How can anything come to consciousness if you keep burying like you appear to be doing? It might but it will be very painful and disruptive, like roots taking out a sidewalk laid too close to a large tree? I would work on it with T, begin to have someone in a relationship you can have with you to talk about what does surface?