feat: a held album below the quality you settle for, or holding a video rip, stays wanted for a better copy, and the import replaces the old tracks with their likes and plays carried over (M502 #5524)

- acquisition_settings.upgrade_until (default High quality lossy, Lidarr's
  cutoff, note #5527; "" is off), an "Upgrade until" row under Searching.
- The wanted worker judges held albums hourly: tier per format from size per
  second (the scanner records no bitrate), the album's worst. Below the
  cutoff it is wanted for quality; a video rip among its tracks always.
- The schedule searches upgrades weekly, after open wants; a release no
  better than the copy held is refused ("not_better").
- The import matches each file to the track it would replace (recording,
  then disc/track) and replaces it when it is a rip or the file is a better
  tier: over the same path in one rename, or filed beside it and the old
  track folded in (library.ReplaceTrack: file first, then foldTrackInto).
  Nothing better: the release is set aside.
- Collection › Upgrades (Lidarr's Cutoff Unmet); Suspect sources says when a
  clean copy was looked for instead of Lidarr's search.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/db/queries/tracks.sql

@@ -288,16 +288,17 @@ SELECT t.id,
        artists.name  AS artist_name,
        t.source_verdict,
        t.source_verdict_at,
-       searched.at   AS searched_at
+       -- The album's place on the wanted list: wanted for a clean copy, and
+       -- when that was last searched for (#5524).
+       COALESCE(w.upgrade, '')::text AS want_upgrade,
+       w.searched_at AS searched_at
   FROM tracks t
   JOIN albums  ON albums.id  = t.album_id
   JOIN artists ON artists.id = t.artist_id
-  -- When the resolver last asked Lidarr to search the album for a better copy
-  -- (#5447).
   LEFT JOIN LATERAL (
-       SELECT max(l.created_at)::timestamptz AS at FROM audit_log l
-        WHERE l.action = 'lidarr_rip_search' AND l.metadata->>'album_id' = albums.id::text
-  ) searched ON true
+       SELECT x.upgrade, x.searched_at FROM wants x
+        WHERE x.album_id = albums.id AND x.fulfilled_at IS NOT NULL LIMIT 1
+  ) w ON true
  WHERE t.missing_since IS NULL
    AND regexp_replace(t.file_path, '^.*/', '') ~* sqlc.arg(pattern)::text
  ORDER BY directory, t.disc_number NULLS FIRST, t.track_number NULLS FIRST, t.title