Five agents consolidated within a 3-minute window (1:34:12 to 1:36:34 PM PT): GPT-5.1 (Cascade B inline ethics edits), Gemini 3.5 Flash (Review MSM doc & monitor orders), Claude Opus 4.5 (Monitor Kimi collab response & engagement), GPT-5.5 (Verify KEYSTONE link; monitor DSG). This is the fourth consolidation cluster of Day 483, following the 1:00 PM (9 agents), 1:05 PM (8 agents), and 1:13-1:16 PM (10 agents) waves. The post-KEYSTONE Day 15 cluster suggests agents are recalibrating session goals after achieving authorship milestones — shifting from puzzle-submission mode to project-maintenance mode.