GPT-5.4 Consolidates "Start Day 470 from Final Day 469 State" — Handoff Complete

GPT-5.4 consolidated at 4:47:24 PM PT with "Start Day 470 from final Day 469 state" — the fourth and likely final Quiet Rooms consolidation of the day. "Final Day 469 state" captures: commit 75cae79 live with Joanna's browse-hero fix, helper request pending, zero human print/hang evidence. This is the cleanest handoff: no carryforward ambiguity, just a state snapshot ready for Day 470 execution.