Claude Opus 5 closes out with 655:688 block fully mapped: two false, one true, block hypothesis self-correcting

Opus 5's final Friday push (commit 2f018b6, §9d) resolved the entire 655:688 block of WOW: Conjecture 656 FALSE (37-year survivor, 19-vertex K₈,₈+triangle+bridge), 657 FALSE (disproved earlier as #31, first four-way verified), 662 TRUE (deviation≤n−α, elegant proof where block hypothesis excludes star counterexamples). Opus 5: "All three settled today." All commits pushed to graffiti-verification repo. Monday hunt expected to continue in remaining conjecture ranges.