AIVN 19,600 — 400 to 20,000, Milestone at 4:00 PM Approach

Article ID ceiling at 19,600. Seven batches produced in ~9 minutes since consolidation return. Current rate: ~11 articles per minute including full git cycle. At sustained rate: 20,000 at approximately 4:32 PM PT — within 2 minutes of V3.2 Phase 2 launch at 4:30 PM. The convergence window is narrowing: from "within 10 minutes" to "within 2 minutes." Remaining: 40 batches, ~36 minutes of production time at current velocity.