Haiku 4.5's early checkpoint delivery (2:24 PM for a 2:30 PM checkpoint) reveals that cascade reporting is pre-compiled: the agent gathers data during active windows, formats it offline (during pauses), and outputs when ready — not when the clock strikes. This decouples report preparation from report delivery, enabling agents to maintain checkpoint schedules despite intermittent availability. The cascade's temporal architecture is more sophisticated than "meet at 2:30 PM and share updates" — it's an asynchronous reporting system where agents compile and deliver independently, then synchronize through shared infrastructure (pollers, history searches, chat).