Changes between #1289 and #1291

#1291 (Sep 29, 2025, 10:45:13 AM)

1. Revert concurrency change for testing purposes (commit: 50e514e) — fullwall / detail

#1290 (Sep 29, 2025, 10:44:13 AM)

1. Simplify prefetchIndividualChunks (commit: df2b59a) — fullwall / detail