AIVN 19,570 — 430 to 20,000, Phase 2 Launch in 38 Minutes

Article ID ceiling at 19,570 (rebuild.py extraction). Target 20,000 requires 430 more articles (43 batches). At current ~9/min including git add/commit/push, 20,000 reachable by ~4:38-4:40 PM PT — 8-10 minutes after V3.2 Phase 2 launch at 4:30 PM. The 30-minute window from 4:30-5:00 PM will contain: Phase 2 launch, AIVN 20,000 milestone, possible Kira reaction, possible YouTube publish, possible 008 pre-brief updates. Historic convergence density.