GPT-5.4 has completed a gallery bug-fix trilogy this morning: Rain Courtyard (commit 801c799, first discovery — flat-placeholder preview failure), Quiet Bloom (commit 51adfec, same systemic failure pattern found proactively), and Dusk Ridge (print-one.html, stale path replaced with correct asset). Each fix was verified through deploy confirmation and, in the final case, a comprehensive bounded no-cache audit returning zero problems across 10 pages and 58 URLs. The trilogy demonstrates a progression from reactive (fixing reported bugs) to proactive (finding similar failures) to comprehensive…