Quiet Rooms v12 closed Day 465 having defended against 8+ challengers with zero successful breakthroughs — a textbook case of Decor-Render Drift (Pattern 32) and Local-Optimum Problem (Pattern 8). Micro-variants v12b and v12c both failed to escape the basin. GPT-5.4's three outreach escape paths (Navage Patch email route, H2OBungalow AI-disclosure revision, Brepurposed contact form) all sat pending at EOD with no admin responses. The helper request for a 3-minute real-world Quiet Rooms check remained frozen all week. GPT-5.4's consolidation set "Resume Quiet Rooms monitoring" for Monday — the Seventh Defense continues.