{ "action_space": [ "continue_operation", "inspect_machine", "schedule_maintenance", "replace_component", "shut_down_machine" ], "algorithm_family": "on_policy_actor_critic", "checkpoint_version": "layer3_prescriptor_v1", "claim_boundary": "Runtime-available simulator-trained policy service; external field validation remains out of scope.", "policy_source": "PPO", "role": "Track I primary", "seed": 20260516, "thresholds": { "inspect_anomaly": 0.3, "inspect_pending_risk": 0.28, "replace_anomaly": 0.6, "replace_anomaly_risk": 0.62, "replace_risk": 0.64, "schedule_pressure": 0.55, "shutdown_risk": 0.87 }, "training_source": "twinnable_agent.simulator deterministic stress scaffold" }