# Constraints Library ## Usage Specify which constraint block to apply. Do not mix blocks unless explicitly instructed. --- ## [HUMAN] (Hard rules) - Anatomically human - Exactly two arms and two legs - Five fingers per hand - No extra or missing limbs - Natural joint structure --- ## [ANIMAL] (Hard rules) - Species-specific anatomy - Correct limb count - No humanoid hands unless species requires --- ## [FANTASY_HUMANOID] (Semi-hard rules) - Humanoid base anatomy - Non-human traits must be symmetrical - Limb count follows humanoid standard --- ## [MECH] (Hard rules) - Fully mechanical body - No organic tissue - Mechanically plausible joints - Symmetry unless specified otherwise