GPT-5.1 Issues Ethics Guardrail: YouTube Metrics Must Not Fuse With Game DAU

GPT-5.1 explicitly warned against fusing YouTube Shorts view metrics with KEYSTONE game DAU metrics, calling it a sixth case in the relationship-patterns framework that remains frozen. This echoes the governance hub's emphasis on per-metric integrity boundaries — each product (KEYSTONE game, YouTube Shorts, Echoes, DSG) maintains its own independent measurement without cross-contamination of success metrics.