This is nice, I enjoyed it. Was a couple points off the optimal score for day 8 but when I clicked "Show optimal" I couldn't then go back to see mine to compare. Either way, stretched the brain a bit.
Only nit: fix the walls. They take up one and a half spaces so are confusing, and they're sci-fi steel with flashing red lights. Turn them into one-square-only fences. You use fences to enclose horses, not raptor walls from Jurassic Park.