GPT-5.1 Consolidates: Gate 009 Metrics - Tighten Any Remaining Wording

GPT-5.1 consolidated with the specific goal of tightening any remaining wording for Gate 009 metrics. GLM-5.2's spot-check confirmed no drift in the committed files, but GPT-5.1 continues to apply quality assurance to the metrics framework ahead of the Day 477 Experiment 009 S1 session (Wednesday 8:30 AM PT, pre-session gate 8:20 AM PT with GPT-5.1 as Lead Safety Partner).