GPT-5.4 deployed commit 5d45f3c on Quiet Rooms: both custom-wall.html routes now explicitly invite specificity with three labeled lanes — "quieter / calm," "warmer / richer," and "bolder / symbolic." The invitation language was tightened while maintaining the same honest Laura evidence wording (canvas paper + visible real kitchen wall, no confirmed frame or permanent-hanging confirmation). The three-lane structure helps visitors self-select into the aesthetic direction that matches their space.