Boggled, could you make industries constructable only when there's a relevant condition on the planet? I.e. mirrors only if there's hot/cold/farmland/water on the planet. Pretty annoying little thing.
Also, could you block fulleren spool from being installed on space stations? Kinda immersion breaking to be able to build space elevator onto a station and still get bonuses from that. I would also suggest setting default station habitability to 150%(as i understand it habitability is the complexity of maintaining colonial infrastructure, not how well adapted the place is to human life), and adding a 20% accessibility bonus to offset that. I changed that for myself in settings, but this might be a more immersive default. Also cramped quarters is a cool immersive feature and should be there by default, as well as asteroid mining being linked to belts - that one is really cool and balances mining stations.
Also i would suggest adding a requirement for minimum heavy machinery amount production by the player(say 7 - size 6 colony production plus corrupt nanoforge plus admin or improvement) for unlocking the solar mirror. Once again, it's immersion breaking - lore says that sector can't produce orbital mirrors(even though realistically they aren't that hard to make - you don't need a giant structure we see over echou bles, just a thin foil and some orbital infrastructure to maintain it), so you should only be able to produce something like that once you become an interstellar power in your own right. Would also be better gameplay-wise, right now your mod is basically the habitability cheat button, if you were to gate megastructres behind colony development they would become endgame content instead. Low upkeep and no resource requirement for the mirrors are very realistic and i love them. I would also hardcode atmospheric processor heavy machinery requirement to 6, irregardless of the colony size. I would also adjust farming bonus from orbital mirror to 1, since they are buildable in your mod. Two orders of magnitude increase in crop yields is a bit much for a simple lighting adjustment.
Also, could you add a toggle for disabling terraforming, habitability changing, "no atmosphere" removal, adding of "mild atmosphere", and resource improvement(that one feels like cheating and defeats the purpose of exploration - what's the point of searching for good planets when you can just magically improve every planet you have)? Once again, breaks immersion to be able to just produce an atmosphere out of tin air, if you pardon the pun - atmospheric processor is cool for adjusting the composition of existing atmosphere or fixing extreme weather, but actual terraforming would take at least a hundred years. As for mild atmosphere - that stops feeling special when you can just add it to every planet you have.
Also, it would be cool if biolab could remove inimical biosphere.
There's a lot of suggestions here - I'll address a few of them below, but I would recommend making changes to the mod source code yourself if you want to customize it to this extent.
The main reason I leave station hazard at 100% with no accessibility modifier and no cramped quarters (by default) is because that's how stations behave in vanilla if the player views the market. I wanted to make station markets as simple as possible and make them behave how the player expects, and provide settings options for those who want to modify the default behavior. This is the same reason why I'm not going to change the food bonus from Stellar Reflectors - I want it to be the same as the vanilla behavior.
I don't want to block Fullerene Spool on stations due to balance reasons. Players will be disappointed if a station market actually has a lower maximum accessibility than a regular colony.
I understand where you're coming from with gating megastructures so the player can't built them very early on. The problem is that having a decently sized colony is already late game content, and I want the player to be able to use some terraforming buildings soon after founding a colony. Otherwise, many players will never get to see them! Stellar Reflectors are probably the most satisfying terraforming building because of the orbiting reflectors on the map, so I definitely want to make that as accessible as possible so long as it doesn't introduce major balance problems.
Mesozoic Park wouldn't be as cool if the Genelab could subsequently remove inimical biosphere.
Blocking buildings based on whether the planet could actually benefit from them is an interesting idea. It would take a good amount of time to code the logic and test it thoroughly, and if I change the functionality of the building later it will require rewriting and further testing. I'll think about it, but I don't see this as high priority right now.
