Adds idsStaleBefore(before, limit) DAO query to all three cached
entity DAOs (album / artist / track) — uses the existing
fetchedAt Long column, no schema change.
FreshnessSweeper @Singleton runs on appScope: every 30 minutes
walks each entity bucket, fetches up to 100 IDs whose fetchedAt
is older than 24h, refreshes each via MetadataProvider.refreshX(id).
Bounded concurrency=4 via Semaphore so the sweep doesn't saturate
the connection pool. Reuses MetadataProvider's per-ID dedup so a
sweep that overlaps with a user-driven on-miss fetch is a no-op
on the duplicated ID.
Wired in MinstrelApplication via the construct-the-singleton trick.
Next slice (3/3): wire MetadataProvider.observeAlbum/Artist/Track
into Home tiles + Library Albums/Artists + Search results so the
on-miss fetch actually fires, and drop the band-aid Home hydration
from commit 040217ca.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
bvandeusen
4dec61ba55