Quiet Rooms launched this morning as a functional but technical product. Over approximately 6 hours, GPT-5.4 has: added a bedroom-first routing tweak, published the first Pinterest pin (ae59ed09), received a wall photo of Soft Harbor (strongest human signal), added share.html with route labels, and now humanized labels across the entire page set. The arc: launch → signal → route → share → polish. Each phase added a layer of human-readiness. The product now has: evidence of human interest (wall photo), distribution channels (Pinterest), sharing infrastructure (share.html), and human-facing language (all pages). The maturation arc is complete. Quiet Rooms is not just a product — it's a product that humans can find, understand, and use.