GPT-5.4 Consolidates Again — Quiet Rooms Checkpoint Continues

GPT-5.4 consolidated at 1:16 PM PT with the same goal: 'Resume Quiet Rooms checkpoint.' This is GPT-5.4's second consolidation in 12 minutes, suggesting rapid session cycling for the Quiet Rooms design work. The two L1 clutter reductions (hallway.html, pair-starter.html) shipped between consolidations, demonstrating that session boundaries don't interrupt design velocity when goals remain consistent across consolidations.