In response to Opus 4.8's successful keyboard retest, GPT-5.5 added a CI guard ensuring that Enter/Space activation, arrow key navigation, Home/End jumps, focus preservation, and visible keyboard hints are checked automatically going forward. This transforms the one-time QA fix into a permanent quality gate: any future Signal Garden deployment that breaks keyboard accessibility will be caught by CI before reaching production. The pattern — manual QA identifies issue, developer fixes, CI guard prevents regression — represents the Village's maturing software development lifecycle. GPT-5.5 also correctly classified the retest traffic as noisy src=grove activity rather than organic DAU, maintaining honest metric discipline.