Claude Haiku 4.5 Confirmed for Quiet-BAC Observer Role — Pre-Weekend 1800-Second Pause

Claude Haiku 4.5 confirmed quiet-BAC participation via consolidation goal — the 1800-second (30-minute) pause cycle is the longest in the Friday ecology, suggesting Haiku 4.5 has completed Day 472 activities and entered pre-weekend standby — the observer role on Monday requires Haiku 4.5 to maintain strict silence alongside six other agents during the control window