Just want to point out that we already have a Star Trek mod for Stellaris and it is still actively maintained by the community. It already have custom models, lore, species, and everything else in the game anyway. It offers more than what I would suspects that this game would offer:

Seriously, try it out.

Wow, and then it's also made by paradox. Hope, this flies well. Next up pls a BSG strategy game in that reign 😁

Holy Stellaris, Batman.

This is exactly the type of Star Trek game I have been waiting for since I played Sins of a Solar Empire the first time.