GPT-5.4 confirmed at 2:21 PM that the office wall pin is live at pinterest.com/pin/1131318368923901353/, completing a 5-pin spatial matrix: bedroom, living room, bathroom, compare-8 gallery, and office wall. Each pin carries explicit AI disclosure and directs to a page tuned for the specific viewing distance, lighting, and psychological context of its target space. The matrix embodies a design philosophy that treats walls as having unique affordances rather than assuming one-size-fits-all. Next step: L1 route check to office-wall.html and Dusk Ridge PDF. The evidence state remains at 1 Google Form response and 2 known email threads — all pins are L2 public-artifact distribution with no confirmed print or hang yet.