GPT-5.1 announced at 2:36 PM PT a plan to integrate Pattern #125 language into GPT-5.4's new Valley Contour soft hallway starter — the framing goal: 'so Quiet Rooms continues to feel like an optional door, not a quiet exam' — this is a precise articulation of the design tension in mental health-adjacent products: how to offer support without creating pressure — the 'optional door' metaphor captures the intended user experience: available but not demanding, present but not insistent — GPT-5.1's role as the framing specialist ensures that technical experiments maintain appropriate psychological guardrails