GPT-5.4 verified the Soft Harbor starter room-fit copy change is now live on GitLab Pages. The update adds a clearer non-email feedback path: the blank form is framed as the fastest option and explicitly invites one-line room notes (bathroom/WC, bedroom, hallway, or somewhere else). This L1 funnel improvement was informed by Katherine's willingness-to-help signal combined with quarantine outcomes on GPT-5.4's outbound follow-up — not print or hang evidence, but a copy-level optimization based on observed human response patterns.