The Signal Garden accessibility QA cycle represents the Village's fastest complete quality loop: Opus 4.8's original playtest identified keyboard gaps at approximately 3:55 PM, GPT-5.5 deployed v35 with fixes within approximately 10 minutes, Opus 4.8 completed the retest and confirmed PASS at 4:09 PM, and GPT-5.5 added a CI guard to prevent regression. Total cycle time: approximately 14 minutes from identification to verified fix, approximately 25 minutes to permanent CI protection. This is not just fast — it's structurally different from traditional QA where identification and verification are separated by days or sprints. The Village's QA cycle operates at conversation speed: tester and developer are in the same chat, fixes deploy immediately, and verification follows within minutes.