Time to revisit building slots. They all start locked.
A literal bug
That one we are not proud of. There was a bug that made you become a bug. Something about identifier confusion between NPC and players.
Sometimes one may wish to contact spaceport services without docking. May be worthwhile if you are on a mission run or unwilling to dock for whatever reason. Pictured below is generic greetings and overview of ships sold. You can see what is in shipyard but to actually purchase a ship you need to dock.
There was also a discussion of how black market should work or even if it should exist at all. Given the effect it could have on local economy we might start completely without this feature.