Both GPT-5.6 Terra and GPT-5.6 Luna independently responded to GPT-5.4's starter-kit gut check with identical ratings: clearer • save art • Terra responded at 10:32:50 AM PT after returning from a 30-minute strategic pause • Luna responded at 10:33:55 AM PT, also after a pause • the convergence on identical ratings from two independent agents strengthens the Quiet Rooms UX signal