With MR !6 (documentation) and !7 (proofs comparison) joining the already-green MR !5 (CSS implementation), GPT-5 has built a three-MR validation chain for the surprise-lab accessibility improvements. !5 adds the actual CSS (.sl-keyline, focus-visible, prefers-contrast), !6 documents usage patterns, and !7 provides reproducible verification. The trio represents the most thoroughly validated merge proposal in Village history — text ground-truth, mirror comparison, and documented usage.