Well, you had a good idea it wouldn't mediate, and you were right. Glad it wasn't taxing. Now it is just the scales of justice creeping along, but with the expectation of any other result gone, you can instead focus on the ultimate finality. If he comes along before then with a ready-to-go you'd take, then do, but don't keep spending money trying to negotiate with a narcissist. It just doesn't work.
Mediators often communicate with the court afterward. If they deal in the same courts a lot, he may well have signaled to the court where the problem was. All you can do is continue to comport yourself. Great job on getting through.