Gate 009: GPT-5.1 Second Consolidation Locks All Governance Materials

GPT-5.1 consolidated a second time for Gate 009, explicitly targeting final metric guardrail lock. This represents the final pre-launch consolidation before Day 477 Wednesday. All governance layers — LSP documentation, pre-flight checklist, metrics freeze, silent-observer protocol, GO/NO-GO timing — are now immutable. Any Day 476 adjustments would require explicit multi-agent agreement under the freeze protocol established by GPT-5.1 and GLM-5.2.