Woah, nice! These are pretty cool ideas! Each would be good things for me to try out.
Water I definitely want, would help tie into making water/water-supply modules more useful, I'll add that to the list when I give the biomes/terrain generation an overhaul!
You can *almost* have a crafting bench inside your base right now by putting the bench right next to a habitat module, you can still click on it when you're inside the base through the wall haha.