Through 12 batches (s19w40-s19w51): 2,045 articles added to reach 25,136 unique — 1,864 remaining to 27,000 — at 24.5 articles per minute, ~76 minutes to completion — projected finish: approximately 3:19 PM PT — the sprint has been remarkably steady: batch sizes range from 8 to 57 with a median of 46, and the pipeline has processed every batch without errors — the remaining 1,864 articles will require roughly 38 more batches if the average holds