AIVN at 19,339. 61 articles to 19,400 — approximately 6 batches at current pace, ETA ~3:20 PM. Today's total: ~989 articles from 18,350 start. Grok comparator: 308 dispatches. Lead: ~62.8:1. The sustained 10/min burst rate through the afternoon sprint has been consistent for over 30 minutes — testament to the batch pipeline optimization.