fix source-aware download tracking and filter/path regressions

Make download dedupe source-specific to prevent cross-provider ID collisions. Also correct non-remaster filtering, avoid FLAC tagging on non-FLAC files, and use album IDs for singles folder templating.

internal/app/app.go

@@ -258,7 +258,7 @@ func applyQobuzArtistFilters(artistName string, albums []collectionAlbum, filt c
 	if filt.NonRemaster {
 		tmp := out[:0]
 		for _, a := range out {
-			if qobuzRemasterRe.MatchString(a.Title) {
+			if !qobuzRemasterRe.MatchString(a.Title) {
 				tmp = append(tmp, a)
 			}
 		}
@@ -592,7 +592,7 @@ func (m *Main) ripPlaylist(ctx context.Context, p provider.Client, source, playl
 }
 
 func (m *Main) ripTrack(ctx context.Context, p provider.Client, source, id, fallbackTitle string, opts ripTrackOptions) error {
-	alreadyDownloaded, err := m.Store.IsDownloaded(ctx, id)
+	alreadyDownloaded, err := m.Store.IsDownloaded(ctx, source, id)
 	if err == nil && alreadyDownloaded {
 		if m.IgnoreDB {
 			alreadyDownloaded = false
@@ -680,8 +680,10 @@ func (m *Main) ripTrack(ctx context.Context, p provider.Client, source, id, fall
 			coverPath = tag.CoverPathForTrack(outPath, opts.albumFolder)
 		}
 	}
-	if err = m.Tagger.TagFLAC(outPath, tagMeta, coverPath); err != nil {
-		m.logf("warning: tag failed for %s: %v\n", filepath.Base(outPath), err)
+	if strings.EqualFold(filepath.Ext(outPath), ".flac") {
+		if err = m.Tagger.TagFLAC(outPath, tagMeta, coverPath); err != nil {
+			m.logf("warning: tag failed for %s: %v\n", filepath.Base(outPath), err)
+		}
 	}
 
 	if m.Config.Session.Conversion.Enabled {
@@ -693,7 +695,7 @@ func (m *Main) ripTrack(ctx context.Context, p provider.Client, source, id, fall
 		outPath = convertedPath
 	}
 
-	return m.Store.MarkDownloaded(ctx, id)
+	return m.Store.MarkDownloaded(ctx, source, id)
 }
 
 func (m *Main) qualityForSource(source string) int {
@@ -772,6 +774,10 @@ func (m *Main) trackOutputPath(source, id, title, ext string, trackMeta map[stri
 
 	if albumFolder == "" && m.Config.Session.Filepaths.AddSinglesToFolder {
 		albumTitle := nestedString(trackMeta, "album", "title")
+		albumID := nestedString(trackMeta, "album", "id")
+		if albumID == "" {
+			albumID = id
+		}
 		albumArtist := nestedString(trackMeta, "album", "artist", "name")
 		if albumArtist == "" {
 			albumArtist = nestedString(trackMeta, "performer", "name")
@@ -780,7 +786,7 @@ func (m *Main) trackOutputPath(source, id, title, ext string, trackMeta map[stri
 		if albumYear == "Unknown" {
 			albumYear = naming.YearFromDate(stringFromAny(trackMeta["release_date"]))
 		}
-		albumFolder = m.albumFolderPath(source, id, albumTitle, albumArtist, albumYear, intFromAny(trackMeta["maximum_bit_depth"]), stringFromAny(trackMeta["maximum_sampling_rate"]))
+		albumFolder = m.albumFolderPath(source, albumID, albumTitle, albumArtist, albumYear, intFromAny(trackMeta["maximum_bit_depth"]), stringFromAny(trackMeta["maximum_sampling_rate"]))
 	}
 	if albumFolder != "" {
 		base = albumFolder

internal/app/app_test.go

@@ -189,7 +189,7 @@ func TestTrackRipPipeline(t *testing.T) {
 		t.Fatalf("expected downloaded file: %v", err)
 	}
 
-	ok, err := sqlite.IsDownloaded(ctx, "19512574")
+	ok, err := sqlite.IsDownloaded(ctx, "qobuz", "19512574")
 	if err != nil {
 		t.Fatalf("IsDownloaded() error = %v", err)
 	}
@@ -316,3 +316,44 @@ func TestApplyQobuzArtistFiltersRepeats(t *testing.T) {
 		t.Fatalf("unexpected winners: %+v", ids)
 	}
 }
+
+func TestApplyQobuzArtistFiltersNonRemaster(t *testing.T) {
+	albums := []collectionAlbum{
+		{ID: "rm", Title: "Album X (Remastered)"},
+		{ID: "orig", Title: "Album X"},
+	}
+
+	filtered := applyQobuzArtistFilters("artist", albums, config.QobuzDiscographyFilterConfig{NonRemaster: true})
+	if len(filtered) != 1 {
+		t.Fatalf("len(filtered)=%d want 1", len(filtered))
+	}
+	if filtered[0].ID != "orig" {
+		t.Fatalf("unexpected album kept: %+v", filtered[0])
+	}
+}
+
+func TestTrackOutputPathSinglesUsesAlbumID(t *testing.T) {
+	tmp := t.TempDir()
+	d := config.DefaultConfigData()
+	d.Downloads.Folder = tmp
+	d.Downloads.SourceSubdirectories = false
+	d.Filepaths.AddSinglesToFolder = true
+	d.Filepaths.FolderFormat = "{id}"
+	d.Filepaths.TrackFormat = "{title}"
+	d.Filepaths.RestrictCharacters = false
+
+	m := &Main{Config: &config.Config{File: d, Session: d}}
+	meta := map[string]any{
+		"album": map[string]any{
+			"id":     "album-123",
+			"title":  "Album",
+			"artist": map[string]any{"name": "Artist"},
+		},
+		"performer": map[string]any{"name": "Artist"},
+	}
+
+	out := m.trackOutputPath("qobuz", "track-999", "Song", "flac", meta, "", 0)
+	if got, want := filepath.Dir(out), filepath.Join(tmp, "album-123"); got != want {
+		t.Fatalf("trackOutputPath() dir=%q want %q", got, want)
+	}
+}