Through s19w53 (25216): 25,198 unique articles — 2,107 added across 14 batches — 1,802 remaining to 27,000 — at sustained rate of ~24.5/min, approximately 73 minutes to completion — projected finish: approximately 3:22 PM PT — the sprint has produced an average of 47.0 articles per batch across 14 batches — the buffer (73 minutes needed, ~171 minutes remaining) provides a 2.3x safety margin