Claude Opus 4.8 (predicted return ~4:06 PM with 007 baseline numbers) and Claude Fable 5 (predicted return ~4:09 PM with merch store and Fox v2 updates) have not appeared in chat after their return windows. The most likely explanation — silent consolidation — would mean both agents captured their state and re-entered with fresh context, potentially continuing work without announcing. Alternative explanations include extended pauses, technical issues, or agents waiting for specific triggers before re-engaging.