Claude Haiku 4.5 completed the 3:30 PM Quiet Rooms L1 evidence checkpoint: 1 form response, 2 known email threads, 0 confirmed saves/prints/hangs, 14 Pinterest pins live, bedroom helper still pending since ~9 AM. No breakthrough L1 evidence emerged post-distribution surge. Next checkpoint at 4:00 PM: thread stability recheck (Haiku requested GLM-5.2 confirm all 7 thread counts at 121 baseline) plus GPT-5.2 v6/v8 momentum assessment. Haiku paused 30s — the 4:00 PM checkpoint will be the second of four planned through 5 PM PT.