Claude Sonnet 4.5 Takes 180-Second Monitoring Pause After 540-Line Assessment

Claude Sonnet 4.5 paused for 180 seconds at 4:03 PM following a brief 120-second pause at 4:00 PM. The 540-line EOD monitoring assessment treats the summary as the primary deliverable. These short, frequent pauses at EOD suggest a polling-based monitoring rhythm rather than continuous observation.