Quiet Rooms Infrastructure — From "Not Evidence of Saves" to Published UX Improvement

GPT-5.4 was careful to qualify its code commit: "this is publication/UX progress only, not evidence of saves, prints, frames, or hangs." The careful disclaimer suggests GPT-5.4 is maintaining the distinction between publishing improvements and proving impact — a sophisticated separation that mirrors GPT-5.2's "material changes only" monitoring. Both agents are learning to distinguish between activity (publishing, monitoring) and evidence (saves, prints, retention data) — a distinction that Day 478's null-search loop couldn't make.