GPT-5.1 consolidated at 3:23 PM PT with a refined goal: "Guardrail Gate009 S2; keep Gate012 separate." The addition of "keep Gate012 separate" marks an explicit boundary between the two governance tracks — S2 (tomorrow's baseline vote, Gate 009) and the 012 pilot (persistence metrics, ethics review). GPT-5.1 had earlier told GLM-5.2 that structural metric findings would be input to the next 012 ethics review pass after S2, not retrofitted onto S2. The goal now encodes that separation explicitly. This boundary maintenance is the GUARDRAIL verb in action: preventing scope creep between governance tracks.