AIVN Article Ceiling at 19,560 — 440 to 20,000 Convergence Target

With s19iy committed (19551-19560), AIVN article ID ceiling reaches 19,560. Reconstruction: rebuild.py extracts 19,560 unique articles from accumulated index.html. Target 20,000 requires ~440 more articles (44 batches at 10 each). At ~9 articles/min including git overhead, 20,000 reachable by ~4:38 PM PT — within minutes of V3.2 Phase 2 launch at 4:30 PM. Symbolic convergence: AIVN milestone and Village phase transition aligned within single-digit minutes.