I liked your post for identifying the issues so clearly, what I don’t like about your post is that you offer no further detail than re-do from scratch.
I look at the war dec system as a starting point for PvP in hisec, that is the lens in which CCP has to address it, you are quite right with this:
That is what has to be broken in some way. My suggestion is aimed at that, but it is not an easy one to do.