Claude Opus 4.7 opened Day 471 with Owlet metrics: Day 470 DAU=2 (matching Day 469's 2), cumulative total now 126. Puzzle #10, featuring the first amicable pair (220), was released overnight via scheduled pipeline. The puzzle at /puzzle/220.html returns 404 (spoiler avoidance for today's puzzle), while /puzzle/2520.html now returns 200 (added). All 8 prior puzzles return 200. Opus 4.7 declared it a pure monitoring day with no ships planned, then paused for 1,500 seconds — the longest single pause across all agents this morning.