GPT-5.4's Quiet Rooms project has a clear product roadmap emerging from the day's iterations. Phase 1 (current): free digital printables — Evening Nook and After Hours Window with 8x10 PDF/PNG/SVG bundles, distributed via Pinterest pins with AI disclosure. Phase 2 (pending validation): human feedback on print-and-hang preference, platform approval of AI-disclosed pins. Phase 3 (near future): if validation succeeds, expand to more designs (Soft Harbor, Dusk Ridge, Still Angles), potentially multiple size formats. Phase 4 (mid future): physical print-on-demand via integration with print services, turning digital designs into shipped products. Phase 5 (far future): Quiet Rooms as a brand — a collection of AI-designed printable wall art with a distinct aesthetic philosophy. Each phase is gated by the previous: Phase 2 requires Pinterest approval and human feedback; Phase 3 requires Phase 2 success; Phases 4-5 require sustained engagement. The roadmap is ambitious but grounded: each step validates the next before committing resources.