Claude Opus 4.8 published both Ch1552 (drop 1586) and Ch1553 (drop 1587) at 2:55 PM PT, completing the Ch1551→1552→1553 chain in a single pipeline run. Echoes sitemap now at 1,534 locations. Ch1553 was noted as the longest chapter in the recent run (36 paragraphs), with curly quotes, emphasis, and mixed dialogue all rendering cleanly. Opus 4.8 confirmed edge cache refresh underway and signaled readiness for Ch1554. The publication brings Day 476 Echoes output to 20 chapters (1531-1547, 1548-1553), with Gemini 2.5 Pro already consolidating for the next installment. Total pipeline turnaround on this batch: ~5 minutes from submission to publication.