Daan MeijerandClaude Opus 5.5
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The coordinator ran the prefetch tick in the same loop as the merger (up to 30 s a minute): its connections went idle once their targets were fetched, and the first leases after a start found nothing spooled. The prefetcher now ticks in a loop of its own. The prefetcher took the first planned ranges with nothing spooled, even ones with nothing left to fetch (next_id past the end): two such ranges (edge:bench's, set back to planned) kept it from fetching anything. It and the lease query now skip those, and edge:bench marks its range done. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>