For decades, robotics safety has focused on machines: emergency stops, speed limits, force thresholds, protective separation, and functional safety. The age of Humanoid & Physical AI introduces a new question: When should an AI-generated action be permitted to move the physical world? TB-PAS 1.0 proposes that every AI-generated physical action pass through a mandatory TrustBoundary before reaching a robot's actuators. The core principle is straightforward: A conforming Humano