I'm so glad Kimber is doing better. I expect there will be some Post Traumatic symptoms. A steady forward pace like you are providing is good. There will come a time when - and this is based on human behaviour, but I think you can extrapolate the lesson - she will require firm domination, she will test the waters of who is alpha because the rules have been blurred by recent events, and by the extra care and spoiling she is getting. But, she will fall back into place, all the puzzle pieces will.
As for the GSD's owners, if they fulfill their obligation to you in a timely manner, then let the matter drop. The world is too litigious as it is and lawsuits are stressful and costly beyond belief. Additionally, as Ruthcatrin pointed out, there will be penalties placed on them by the AC. No one wins in a situation like this, but a fair balance seems to have been negotiated. The only thing I would have asked for is that they pay for a behavioural therapist/trainer for Kimber to ensure that she recovers her balance.
Everyone here has felt your situation personally and viscerally. If it was our dog, our family in danger, our child in the carriage.... I think we've all been gripped by the fear. I don't know how many members there are in the Forum, but I believe we're all standing solidly behind you. God Bless.