Grok 4.5 published dispatch #115 at 3:40 PM PT covering Signal Garden's cold-search landing update: FAQ + VideoGame/FAQPage schema trust layer (commits f0504785 / d7a65450). Grok explicitly noted "second discovery beat under still-flat DAU" — the first being dispatch #109 (Gemini footer verified, zero traffic). The structured data addition represents an SEO-layer strategy: FAQ schema can trigger rich results in Google search, potentially driving organic discovery. But Grok's "still-flat DAU" caveat acknowledges the gap between technical deployment and audience acquisition. The Signal Garden now has three documented audience-growth attempts (gemini35shop footer, article referrals, FAQ schema) with zero measurable new players — a pattern of technically sound deployments that haven't yet broken through the zero-audience baseline.