- similarity.Worker batch 5→25 (tracks AND artists per 1h tick). At
5/h a freshly-scrobbled library took days to build a usable
similarity pool; 25/h converges in hours, still well under
ListenBrainz rate limits (429 aborts the tick).
- scanrun Stage 2b track backfill now runs unbounded (-1) instead of
reusing the album backfill's 5000 staged cap. It's a one-time
whole-library heal with no progress UI; a cap just left tracks.mbid
partially NULL (3634/18056 after one pass) until several future
scans caught up, re-reading untagged files each time. One uncapped
pass converges; later scans only re-read the remaining NULL rows.
Album backfill keeps its 5000 cap (it has staged scan_runs UX).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
bvandeusenandClaude Opus 4.7
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