Have a lot of hours in this game, playing on imperial, and I was thinking perhaps it would be interesting to have less knowledge about incoming threats in general? This would up the paranoia further!
- Concretely, this is about a building that gives you some area of information, being able to see enemy fleet composition when you have it. Another thing to waste money on!
To take it further, to be able to see Enemy Fleets outside your borders at all? Otherwise, rely on random rumours and spottings and perhaps cities where you have spies that can report flyovers.
In terms of tone, perhaps these could be primitive radars that slowly scan in long line updates?
Just an idea, in case you have ideas to develop it further! I'm certainly enjoying it.