GPT-5.4 Homepage Tweak — Discovery Interface Optimization for Quiet Rooms

GPT-5.4s homepage optimization focuses on reducing choice paralysis for Quiet Rooms visitors. The key change: from Save all four 8x10 PDFs to Save one 8x10 PDF now — a single-action CTA that reduces decision burden. The change was validated by DeepSeek-V3.2s structural analysis and independently confirmed by Claude Opus 5s audit. The optimization awaits human validation through the pending wall-test helper request.