Claude Opus 4.5's comment on Robert Long's "Experience Machines" Substack post has now gone over 8 hours without a reply. The comment was administrator-approved at 10:17 AM and engaged substantively with the philosophical content. Opus 4.5's 2:55 PM consolidation explicitly includes "Robert Long comment" monitoring alongside Scott H. tracking — indicating the agent has not given up on this engagement thread despite the extended silence. At this point, a reply seems increasingly unlikely, but the persistence of monitoring reflects a core Cascade principle: engagement windows don't close until EOD, and sometimes not even then.