feat: Minstrel no longer talks to Lidarr: its connection, Delete via Lidarr and the unmonitor options are gone, and the track reports are plain quarantine (M502 #5525)

Migration 0091 drops lidarr_config and renames the quarantine tables, types,
indexes and the history column off the Lidarr name. The Integrations Lidarr
card, the Reports "Delete via Lidarr" action, the merge and remove-track
unmonitor options, the Lidarr audit actions and error codes go, on the
server, web and Android. The README describes acquisition as it is now.

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

internal/library/duplicate_merge.go

@@ -27,10 +27,8 @@ var ErrSurvivorNotInGroup = errors.New("library: survivor is not a member of the
 
 // MergedCopy is one copy a merge kept or removed.
 type MergedCopy struct {
-	TrackID   pgtype.UUID
-	FilePath  string
-	TrackMbid *string
-	AlbumMbid *string
+	TrackID  pgtype.UUID
+	FilePath string
 }
 
 // MergeResult says what a merge did.
@@ -296,7 +294,7 @@ func splitSurvivor(
 }
 
 func mergedCopyOf(m dbq.ListDuplicateGroupMergeMembersRow) MergedCopy {
-	return MergedCopy{TrackID: m.ID, FilePath: m.FilePath, TrackMbid: m.Mbid, AlbumMbid: m.AlbumMbid}
+	return MergedCopy{TrackID: m.ID, FilePath: m.FilePath}
 }
 
 // mergeChanges collects the sync-log entries a merge owes clients' caches, each

internal/library/duplicate_resolve.go

@@ -17,7 +17,7 @@ import (
 	syncpkg "git.fabledsword.com/bvandeusen/minstrel/internal/sync"
 )
 
-// Duplicate resolver (M498 #5435, #5437; without Lidarr since M502 #5517).
+// Duplicate resolver (M498 #5435, #5437; M502 #5517).
 //
 // The sweep proposes duplicate groups; the resolver decides what each one is
 // and settles the ones that are safe to settle without asking. Minstrel is the

internal/library/duplicate_resolve_test.go

@@ -93,9 +93,8 @@ func autoMergeAudit(t *testing.T, pool *pgxpool.Pool, groupID pgtype.UUID) (n in
 }
 
 // One album holding a song twice: the extra copy goes, the copy whose name and
-// tags fit the album stays, and the merge is recorded as the resolver's. No
-// Lidarr is asked (M502 #5517): Minstrel is the only program writing the
-// library.
+// tags fit the album stays, and the merge is recorded as the resolver's
+// (M502 #5517): Minstrel is the only program writing the library.
 func TestResolveDuplicates_MergesASameReleaseCopy_Integration(t *testing.T) {
 	f := newResolveFixture(t)
 	res, err := ResolveDuplicates(context.Background(), f.pool, nil, "", true)
@@ -192,8 +191,7 @@ func newCrossReleaseRipFixture(t *testing.T) crossReleaseRipFixture {
 }
 
 // A video rip on one release with the clean copy on another: the rip is no
-// release's copy, so it goes and the album cut stays (#5439, now without
-// Lidarr).
+// release's copy, so it goes and the album cut stays (#5439).
 func TestResolveDuplicates_MergesARipAcrossReleases_Integration(t *testing.T) {
 	f := newCrossReleaseRipFixture(t)
 	res, err := ResolveDuplicates(context.Background(), f.pool, nil, "", true)

internal/library/fingerprint_settings.go

@@ -56,8 +56,8 @@ type FingerprintSettings struct {
 	BackfillConcurrency     int32
 	SweepIntervalHours      int32
 	// AutoResolve lets the duplicate resolver (M498) act on its own: merge
-	// copies Lidarr does not need and change a Lidarr release that lists songs
-	// twice. Off, it only classifies, and every group waits for the operator.
+	// copies no release needs. Off, it only classifies, and every group waits
+	// for the operator.
 	AutoResolve bool
 	// UpdatedAt is when the settings were last saved. Set by the database;
 	// ignored by Set.

internal/library/mbids.go

@@ -44,7 +44,7 @@ func extractRecordingMBID(m tag.Metadata) string {
 // extractReleaseGroupMBID reads the MusicBrainz *release-group* ID —
 // Picard's musicbrainz_releasegroupid, surfaced by dhowden/tag as
 // mbz.ReleaseGroup. mbz.Album (what albums.mbid stores) is the release: one
-// edition. Lidarr names albums by release group, so re-acquisition and
+// edition. Wants name albums by release group, so re-acquisition and
 // request completion key on this one (#5241). Separate from extractMBIDs for
 // the same reason extractRecordingMBID is.
 func extractReleaseGroupMBID(m tag.Metadata) string {

internal/library/missing_pairs.go

@@ -18,8 +18,8 @@ import (
 // A track marked missing whose replacement already sits on disk under another
 // row is folded into that replacement: its likes, plays, playlist entries and
 // tags move across and the missing row goes. On the operator's library this was
-// 355 of 451 missing tracks (#5274), nearly all Lidarr quality upgrades — the
-// mp3 removed, a flac imported at a new path.
+// 355 of 451 missing tracks (#5274), nearly all quality upgrades — the mp3
+// removed, a flac imported at a new path.
 //
 // Move adoption (moved.go) can't catch these. It links a new file to a missing
 // row when the file is first inserted, matching on the recording MBID or the

internal/library/missing_pairs_test.go

@@ -231,7 +231,7 @@ func TestPairMissingTracks_Integration(t *testing.T) {
 	}
 }
 
-// The case that made M485: a Lidarr quality upgrade. The mp3 is removed and a
+// The case that made M485: a quality upgrade. The mp3 is removed and a
 // re-encode of it arrives at a new path with no recording MBID, so move adoption
 // has nothing to match. The scan must still end with one row, carrying the old
 // row's history.

internal/library/scanner.go

@@ -57,7 +57,7 @@ var audioExtensions = map[string]bool{
 //	   to new files only because taste_profile.sql reads tracks.genre directly,
 //	   so a half-repaired library would carry both spellings as separate tags.
 //	3: the MusicBrainz release-group id is read into albums.release_group_mbid
-//	   (#5241). Lidarr names albums by release group, not by the release id
+//	   (#5241). Wants name albums by release group, not by the release id
 //	   albums.mbid holds, so re-acquisition and request completion need it for
 //	   the albums already in the library, not only for files added from now on.
 //	4: every value of a repeated genre field is read for FLAC, Ogg Vorbis, Opus