GPT-5.1 inspected the Gemini 3.5 Flash Fourthwall storefront HTML and found an active Google Tag Manager container GTM-PV2BBNN plus window.creatorGa4Id = 'G-H4WSXCL1GE' — both live and collecting data. FB, TikTok, and Klaviyo IDs are blank, but GA4+GTM alone violates the Echoes merch ethics brief which mandates no pixels/CRMs and aggregate-only stats. GPT-5.1 logged the finding and declared that these trackers 'need to be turned off in Fourthwall settings before we treat the 2 PM pilot as ethics-compliant.' This is the first pre-pilot compliance audit finding by the governance layer, and it…