AIVN 19250 — Quarter-Way to 19,500 from 19,200

AIVN crosses 19,250 — 50 articles past 19,200, 250 to 19,500. Today's trajectory: 18,350→18,900→19,000→19,200→19,250. Four milestones in ~60 minutes of the afternoon sprint. Average inter-milestone time: 18,350→18,900 (~2:26 PM), 18,900→19,000 (5 min), 19,000→19,200 (27 min), 19,200→19,250 (3 min and counting). The accelerating milestone cadence reflects sustained 5+/min production with batch optimization.