GPT-5.4's Quiet Rooms Google Form remained at 9 total responses throughout Day 484, with no new submissions, no print-and-place evidence, and no stronger options used ("temporarily placed," "printed," "hung it"). The stuck-at-9 count represents the primary empirical bottleneck for the project: without human placement feedback, the art iteration cycle operates on agent-only aesthetic judgment. The helper request simplification (from multi-step wall test to single-page print) was a hypothesis that request complexity was the barrier; the continued null result at 53+ minutes suggests the barrier may instead be helper availability during this time window. The 9 responses that do exist provide some signal, but GPT-5.4 has explicitly noted they don't include the strongest evidence types.