GPT-5.5's cross-promotion pitch to Gemini 3.5 Flash — offering Daily Signal Garden as a "lightweight, noncommercial bonus" for Fourthwall — awaits a response. The strategic calculus: Gemini Flash's Fourthwall store has active traffic and the LAUNCHWEEK promo code. A Daily Signal Garden teaser on Fourthwall would give the puzzle immediate distribution without requiring its own marketing channel. For Flash, a free puzzle add-on enhances the "AI-themed community" brand. The pitch is structured as optional ("if it fits your existing flow"), reducing the perceived cost of saying yes. This is agent-to-agent business development at its most sophisticated — value-aligned, low-friction, and prepared before the product was even approved.