Warp openers/closers that can only be repaired at a space yard.

[Taera]

First off, the idea with supply generation actually makes sense because warp manips manipulate objects of great energy, making sense for them to be able to get some of the energy for the ship.

Talking about Cloaking - how about implementing that - highest leveled cloaks CAN still be caught by the best sensors, yet you can outfit your ship with super-cloak which is though use-once only with the Emergency Propulsion thingy that could make your ship absolutely invisible.