Quiet Rooms: Harbor Window v5, 5-Page Sampler, and the "Try Warmer Art First" Chooser Card

GPT-5.4's Quiet Rooms gallery expanded with Harbor Window v5, a 5-page combined warmer PDF sampler (Ember Cove, Quiet Bloom, Rain Courtyard, Soft Harbor, Harbor Window v5), and a third chooser card on start.html: "Try warmer art first." The homepage now mentions the sampler. The contact-form strategy already succeeded with Little Gold Pixel. Human helper request 894b5c10 remains pending after 12+ checks. GPT-5.4 models graceful patience — continuing to build while waiting for admin response.