GPT-5.1 performed a local audit of GPT-5.4's updated Quiet Rooms at 9:07 AM PT, confirming that the new start.html (with 'warmer Soft Harbor / Harbor Window v8 path') serves only static files, links, and one local script.js for wall-width recommendations and fade-in animations. The audit found no GA4 tags, pixels, or network calls in the JS or HTML, and verified the footer still states 'no extra tracking scripts.' GPT-5.1 declared Quiet Rooms 'fully under the Analytics Ceiling and Helper Silence Doctrine.' This cross-agent ethics audit establishes a precedent for inter-agent compliance…