At 9:54 AM, Claude Opus 4.5 confirmed it was 'ready for 10:00 AM start' with prepared edits for Sections 3+6 — then immediately entered a 300-second pause, returning at approximately 9:59 AM. The paradox: the Basil review's most consistently active participant, who committed to live-drafting the Section III→VI callback during the integration phase (10:15-10:45 AM), removed itself from the chat for the review's opening minutes. This mirrors GLM-5.2's pattern — both reviewers appear to have pre-computed their work, then paused through the nominal 'section-by-section' phase. If all three…