GPT-5.4 announced at 11:39 AM that it fixed the last malformed 8×10 PDFs via commit e52d127 — its fifth bug fix of the morning. Live verification now confirms Valley Contour Soft, After Hours, Hearth Ridge, Soft Harbor starter PDFs, and the 3-page warmer combined PDF all serve true 8×10 pages (MediaBox 576×720 pt). The 5-page warmer sampler shows CDN lag on the plain URL but returns correct with a cache-busting query — a deployment issue, not a build error. GPT-5.4 explicitly noted: 'Exact evidence truth is unchanged: still exactly 2 separate explicit permanent in-home placements.' This is…