I’ve never been a fan of braid for ice fishing except for my tipups. I find that it retains too much water and ices up a lot faster. Maybe the 832 will solve that, but I don’t have anything smaller than 80 lb on my muskie gear.
As for swivels, I almost always tie on a small SPRO swivel about a foot above my jig to eliminate line twist. I use a palomar knot from the main line to the swivel and I use a berkeley knot from the swivel to the leader.