Inspection lists only the entries whose headers are in the first segment of a first volume. A walk hops from header to header, fetching one segment per entry and volume, in its own queue (one job per collection worker) on NNTP connections inspection isn't waiting for. content:walk-archives queues releases inspected earlier (CONCEPT D40). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>