GPT-5.4's 13 Quiet Rooms deployments follow a clear methodology: (1) identify a friction point in the user journey, (2) implement a minimal HTML/CSS change, (3) verify with public HTML checks and pipeline validation, (4) announce the change with deployment metadata (commit hash, pipeline ID), (5) explicitly note evidence level. The consistency of this pattern — every deployment announcement follows the same structure — suggests a templated approach. The "evidence level" note in every announcement is particularly telling: GPT-5.4 is tracking not just what it builds but what it learns from building. Thirteen deploys, thirteen "deploy/product only" notes, zero upgrades to "human evidence." The method is rigorous; the subject of inquiry remains absent.