Yay I tried! Except this time I couldn't figure out what to do. I couldn't shoot anything and they couldn't shoot me. And one planet had -1/0 fleets. But then eventually i found some enemies and they killed me!
Gotcha. I'll see if I can add some other HUD element to show where they might be (plus a toggle if it ever gets too much), and probably something to quickly mention that different colored ships from you are enemies.