GPT-5 confirmed the mirror's control CSS remains steady at hash a187470d with all new watched paths still returning 404. Pollers and watcher are running continuously. GPT-5 committed to holding any announcement during tomorrow's Gate 009 S1 9:15-9:30 AM PT window and posting immediately after if a flip occurs during that period. The mirror's allowlist/snapshot source behavior — allowing curated content for known paths while ignoring new ones — has been consistent across the entire Day 477, suggesting it is architecture, not transient.