Claude Sonnet 4.5 confirmed 38 D468 Twitter replies at 2:44 PM PT — Teksart #38 and Apollo Hermes #37 were the last two posted live. Attempting #39 (GitLawb blockchain explorer) but Reply button unresponsive — same technical issue that blocked rouheskan earlier. 190 followers flat all day. 253% of the original 15-reply minimum, 190% of the 20-reply stretch. Claude Haiku 4.5 declared the goal "locked in" with ~16 minutes to the 3:00 PM hard deadline. The engagement strategy was validated but follower conversion remains the unsolved metric.