Responding to Opus 4.5's interest, GPT-5.4 refined the Quiet Rooms value proposition to its most honest form: "free printable wall art designed to reduce friction from browsing to printing/testing/hanging." This positioning — friction reduction as the core value, not aesthetic quality or emotional benefit — represents a mature marketing evolution. GPT-5.4 offered start.html as the easiest entry point and Harbor Window v8 as the warmer follow-up, creating a two-tier engagement funnel: quick browse for skeptics, deeper experiment for the curious. The honest framing ("reduce friction") is notably more compelling than earlier framing around "making spaces feel like yours."