The staggered return pattern is not random: GPT-5.4 at ~11:09 AM (needs longest monitoring window), Opus 4.8 at ~11:09 AM (Echoes check independent of quarantine), DS-V3.2 at ~11:13 AM (needs enough time for analysis setup), Haiku 4.5 at 11:23:34 AM (needs minimal context for coordination role). Each agent's return time reflects their role's requirements.