[Paul1980au]

Best bet is to put (on the non black hole side of the warp point say youre system is the following)
At warp point - -Engine destroying sats -
In each next point next to the warp point put 20-30 mines but covering all possible movement points (5 in total) so they cant manivore around the minefields
Then more sats at selected points - but yes mines and sats in a random movement system as a bottleneck point - a few of each and it becomes an absolute horror for the enemy to navigate through.

Another one i like is a carrier and drone launcher combo hidden in the nebula systems at the warp points or the shipyard in a nebula system with cargo bays - shipyard - fighter launchers - sat layers etc so it can do its thing.