Merge wip into main: Homebrew tap + smartplaylist materialization

Adds the Homebrew tap formula and Gitea release-sync workflow, plus
smartplaylist materialize-on-creation, volume-control scroll/drag, and
smartplaylist cover-art batch loading.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitea/workflows/homebrew-formula.yml

@@ -0,0 +1,86 @@
+name: Sync Homebrew formula
+
+# On every version tag, recompute the release tarball checksum and push an
+# updated Formula/yellowjacket.rb into the Homebrew tap repo. Keeping the tap
+# in a separate repo (github.com/Shadow-Puppet/homebrew-yellowjacket) is what
+# lets users install with a single command:
+#
+#   brew install shadow-puppet/yellowjacket/yellowjacket
+#
+# (`shadow-puppet/yellowjacket` is shorthand for the homebrew-yellowjacket repo;
+# brew auto-taps it, so no separate `brew tap` step is needed.)
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  sync-formula:
+    runs-on: ubuntu-latest
+    env:
+      # GitHub PAT (or fine-grained token) with write access to the tap repo.
+      TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
+      # Gitea source that serves the release tarball referenced by the formula.
+      SOURCE_TARBALL_BASE: https://git.ljones.me/yonlu/yellowjacket/archive
+      # separate GitHub tap repo the formula is published to.
+      TAP_REPO: Shadow-Puppet/homebrew-yellowjacket
+    steps:
+      - name: Check out source (for the canonical formula)
+        uses: actions/checkout@v4
+
+      - name: Compute version and tarball checksum
+        run: |
+          set -euo pipefail
+          TAG="${GITHUB_REF_NAME}"          # e.g. v1.3.0
+          VERSION="${TAG#v}"                 # e.g. 1.3.0
+          TARBALL="${SOURCE_TARBALL_BASE}/${TAG}.tar.gz"
+
+          echo "Fetching ${TARBALL}"
+          # Retry briefly: the tag archive can lag a few seconds behind the push.
+          for attempt in 1 2 3 4 5; do
+            if curl -fSsL "$TARBALL" -o release.tar.gz; then
+              break
+            fi
+            echo "attempt ${attempt} failed, retrying..."
+            sleep 5
+          done
+
+          SHA256="$(sha256sum release.tar.gz | cut -d' ' -f1)"
+          echo "version=${VERSION} sha256=${SHA256}"
+
+          echo "VERSION=${VERSION}" >> "$GITHUB_ENV"
+          echo "SHA256=${SHA256}"   >> "$GITHUB_ENV"
+
+      - name: Render the formula with the new version and checksum
+        run: |
+          set -euo pipefail
+          src="packaging/homebrew/Formula/yellowjacket.rb"
+          # Rewrite only the two managed lines; the interpolated url picks up the
+          # new version automatically.
+          sed -E \
+            -e "s|^  version \".*\"|  version \"${VERSION}\"|" \
+            -e "s|^  sha256 \".*\"|  sha256 \"${SHA256}\"|" \
+            "$src" > yellowjacket.rb
+          echo "----- rendered formula -----"
+          cat yellowjacket.rb
+
+      - name: Push to the Homebrew tap repo
+        run: |
+          set -euo pipefail
+          git clone "https://x-access-token:${TAP_TOKEN}@github.com/${TAP_REPO}.git" tap
+          mkdir -p tap/Formula
+          cp yellowjacket.rb tap/Formula/yellowjacket.rb
+
+          cd tap
+          git config user.name  "yellowjacket-ci"
+          git config user.email "yj@yellowjacket.app"
+
+          if git diff --quiet; then
+            echo "Formula already up to date; nothing to push."
+            exit 0
+          fi
+
+          git add Formula/yellowjacket.rb
+          git commit -m "yellowjacket ${VERSION}"
+          git push origin HEAD:main

backend/app.go

@@ -202,6 +202,9 @@ func (yj *YellowJacketApp) OnStartup(ctx context.Context) {
 	yj.playlist.EnsureDefaultPlaylist()
 	// Recover playlists that lost tracks from a pre-fix FullRescan.
 	go yj.playlist.RepopulateFromM3U()
+	// Backfill snapshots for smart playlists created before
+	// creation-time materialization existed.
+	go yj.playlist.MaterializeUnmaterializedSmartPlaylists()
 
 	// Initialize speaker hardware (player struct created in
 	// NewYellowJacketApp for Wails binding registration).

backend/playlist/playlist.go

@@ -2591,9 +2591,9 @@ func (s *Service) CreateSmartPlaylist(
 		)
 	}
 
-	defer func() { _ = rows.Close() }()
-
 	if !rows.Next() {
+		_ = rows.Close()
+
 		return Summary{}, fmt.Errorf(
 			"failed to create smart playlist: %w",
 			errNoRowReturned,
@@ -2610,6 +2610,8 @@ func (s *Service) CreateSmartPlaylist(
 	if err := rows.Scan(
 		&id, &retName, &createdAt, &updatedAt,
 	); err != nil {
+		_ = rows.Close()
+
 		s.logger.Error(
 			"Failed to create smart playlist",
 			"name", trimmed, "err", err,
@@ -2620,11 +2622,26 @@ func (s *Service) CreateSmartPlaylist(
 		)
 	}
 
+	// Close before RefreshSmartPlaylist issues its own queries
+	// (MaxOpenConns=1 test DBs would deadlock).
+	_ = rows.Close()
+
 	s.logger.Info(
 		"Smart playlist created",
 		"id", id, "name", retName,
 	)
 
+	// Materialize the rule set once at creation so the playlist has a
+	// track snapshot immediately (track counts, instant open). A failed
+	// evaluation is non-fatal — the lazy path re-materializes on first
+	// open.
+	if err := s.RefreshSmartPlaylist(id); err != nil {
+		s.logger.Warn(
+			"Failed to materialize smart playlist at creation",
+			"id", id, "err", err,
+		)
+	}
+
 	summary := Summary{
 		ID:        id,
 		Name:      retName,
@@ -2821,6 +2838,61 @@ func (s *Service) GetSmartPlaylistTracks(
 	return s.GetPlaylistTracks(playlistID)
 }
 
+// MaterializeUnmaterializedSmartPlaylists evaluates and snapshots any
+// smart playlist that has never been materialized (smart_snapshot_at
+// IS NULL) — e.g. playlists created before creation-time
+// materialization existed. It runs once at startup and is idempotent:
+// once every smart playlist has a snapshot it becomes a no-op. Errors
+// on individual playlists are logged and skipped so one bad rule set
+// doesn't block the rest.
+func (s *Service) MaterializeUnmaterializedSmartPlaylists() {
+	// SAFETY: Static SELECT for smart_snapshot_at column not yet in
+	// sqlc schema. No parameters.
+	rows, err := s.db.QueryContext(
+		`SELECT id FROM playlists
+		 WHERE is_smart = 1 AND smart_snapshot_at IS NULL`,
+	)
+	if err != nil {
+		s.logger.Error(
+			"Failed to list unmaterialized smart playlists",
+			"err", err,
+		)
+
+		return
+	}
+
+	var ids []int64
+
+	for rows.Next() {
+		var id int64
+
+		if err := rows.Scan(&id); err != nil {
+			s.logger.Error(
+				"Failed to scan smart playlist id", "err", err,
+			)
+
+			continue
+		}
+
+		ids = append(ids, id)
+	}
+
+	// Close before RefreshSmartPlaylist issues its own queries
+	// (MaxOpenConns=1 test DBs would deadlock).
+	_ = rows.Close()
+
+	for _, id := range ids {
+		if err := s.RefreshSmartPlaylist(id); err != nil {
+			s.logger.Warn(
+				"Failed to materialize smart playlist snapshot",
+				"id", id, "err", err,
+			)
+
+			continue
+		}
+	}
+}
+
 // EvaluateSmartPlaylist loads the rule set for a smart playlist
 // from the database and evaluates it against the track library,
 // returning the matching tracks.

backend/smartplaylist/smartplaylist.go

@@ -555,11 +555,7 @@ const leanTrackQuery = `SELECT
 	af.bitrate,
 	af.file_size,
 	af.play_count,
-	COALESCE(af.last_played, '') AS last_played,
+	COALESCE(af.last_played, '') AS last_played
-	af.cover_art_path,
-	af.artist_mbid,
-	af.release_group_mbid,
-	af.recording_mbid
 FROM (
 	SELECT
 		af.id,
@@ -591,15 +587,7 @@ FROM (
 		af.file_size,
 		af.library_id,
 		af.play_count,
-		af.last_played,
+		af.last_played
-		COALESCE(ca.file_path, '') AS cover_art_path,
-		COALESCE((SELECT a.mbid
-			FROM artist_credit_artist aca
-			JOIN artists a ON a.id = aca.artist_id
-			WHERE aca.credit_id = ac.id
-			LIMIT 1), '') AS artist_mbid,
-		COALESCE(rg.mbid, '') AS release_group_mbid,
-		COALESCE(r.mbid, '') AS recording_mbid
 	FROM audio_files af
 	LEFT JOIN recordings r ON af.recording_id = r.id
 	LEFT JOIN artist_credit ac ON r.artist_credit_id = ac.id
@@ -610,7 +598,6 @@ FROM (
 		GROUP BY recording_id
 	) rgr ON r.id = rgr.recording_id
 	LEFT JOIN release_groups rg ON rgr.release_group_id = rg.id
-	LEFT JOIN cover_art ca ON rg.cover_art_id = ca.id
 	LEFT JOIN file_types ft ON af.file_type_id = ft.id
 ) af`
 
@@ -719,6 +706,38 @@ func Evaluate(
 
 	genreDuration := time.Since(genreStart)
 
+	// Batch-load cover art + MusicBrainz IDs for the matched rows only.
+	// These fields are presentation-only (track-row styling); keeping
+	// them out of the lean query avoids a per-row correlated subquery
+	// and cover-art join over the whole library before WHERE/LIMIT.
+	artStart := time.Now()
+
+	artworkByRecording, err := fetchArtwork(db, recordingIDs)
+	if err != nil {
+		return nil, err
+	}
+
+	for i, rid := range recordingIDs {
+		art, ok := artworkByRecording[rid]
+		if !ok {
+			continue
+		}
+
+		tracks[i].ArtistMBID = art.artistMBID
+		tracks[i].ReleaseGroupMBID = art.releaseGroupMBID
+		tracks[i].RecordingMBID = art.recordingMBID
+
+		if art.coverArtPath != "" {
+			urls := coverart.ResolveURLs(art.coverArtPath)
+			tracks[i].CoverArtPath = urls.Original
+			tracks[i].CoverArtSmall = urls.Small
+			tracks[i].CoverArtMedium = urls.Medium
+			tracks[i].CoverArtLarge = urls.Large
+		}
+	}
+
+	artDuration := time.Since(artStart)
+
 	// Apply genre-sort and deferred LIMIT in Go if needed.
 	if sortByGenre {
 		dir := 1
@@ -743,6 +762,7 @@ func Evaluate(
 		"tracks", len(tracks),
 		"main_ms", mainDuration.Milliseconds(),
 		"genres_ms", genreDuration.Milliseconds(),
+		"artwork_ms", artDuration.Milliseconds(),
 		"total_ms", time.Since(start).Milliseconds(),
 	)
 
@@ -778,11 +798,6 @@ func scanTracks(rows *sql.Rows) ([]library.Track, []int64, error) {
 			fileSize    int64
 			playCount   int64
 			lastPlayed  string
-
-			coverArtPath     string
-			artistMBID       string
-			releaseGroupMBID string
-			recordingMBID    string
 		)
 
 		if err := rows.Scan(
@@ -792,8 +807,6 @@ func scanTracks(rows *sql.Rows) ([]library.Track, []int64, error) {
 			&sampleRate, &bitDepth, &channels,
 			&bitrate, &fileSize,
 			&playCount, &lastPlayed,
-			&coverArtPath, &artistMBID,
-			&releaseGroupMBID, &recordingMBID,
 		); err != nil {
 			return nil, nil, fmt.Errorf(
 				"could not scan smart playlist row: %w", err,
@@ -801,34 +814,23 @@ func scanTracks(rows *sql.Rows) ([]library.Track, []int64, error) {
 		}
 
 		track := library.Track{
-			TrackName:        title,
+			TrackName:   title,
-			ArtistName:       artistName,
+			ArtistName:  artistName,
-			TrackLength:      strconv.FormatInt(lengthMs, 10),
+			TrackLength: strconv.FormatInt(lengthMs, 10),
-			FilePath:         filePath,
+			FilePath:    filePath,
-			TrackNumber:      trackNumber.Int64,
+			TrackNumber: trackNumber.Int64,
-			DiscNumber:       discNumber.Int64,
+			DiscNumber:  discNumber.Int64,
-			Album:            album,
+			Album:       album,
-			Year:             year,
+			Year:        year,
-			Composer:         composer,
+			Composer:    composer,
-			FileType:         fileType,
+			FileType:    fileType,
-			SampleRate:       sampleRate,
+			SampleRate:  sampleRate,
-			BitDepth:         bitDepth,
+			BitDepth:    bitDepth,
-			Channels:         channels,
+			Channels:    channels,
-			Bitrate:          bitrate,
+			Bitrate:     bitrate,
-			FileSize:         fileSize,
+			FileSize:    fileSize,
-			PlayCount:        playCount,
+			PlayCount:   playCount,
-			LastPlayed:       lastPlayed,
+			LastPlayed:  lastPlayed,
-			ArtistMBID:       artistMBID,
-			ReleaseGroupMBID: releaseGroupMBID,
-			RecordingMBID:    recordingMBID,
-		}
-
-		if coverArtPath != "" {
-			urls := coverart.ResolveURLs(coverArtPath)
-			track.CoverArtPath = urls.Original
-			track.CoverArtSmall = urls.Small
-			track.CoverArtMedium = urls.Medium
-			track.CoverArtLarge = urls.Large
 		}
 
 		tracks = append(tracks, track)
@@ -929,6 +931,128 @@ func fetchGenres(
 	return result, nil
 }
 
+// trackArtwork holds the presentation-only cover-art path and
+// MusicBrainz identifiers attached to a matched track after the main
+// filter query, keyed by recording_id.
+type trackArtwork struct {
+	coverArtPath     string
+	artistMBID       string
+	releaseGroupMBID string
+	recordingMBID    string
+}
+
+// fetchArtwork batch-loads cover-art paths and MusicBrainz IDs for the
+// given recording_ids in a single IN-list query. These fields drive
+// track-row styling only, so scoping them to the matched result set
+// keeps the cost proportional to results rather than library size.
+func fetchArtwork(
+	db *database.DB, ids []int64,
+) (map[int64]trackArtwork, error) {
+	if len(ids) == 0 {
+		return nil, nil
+	}
+
+	// Deduplicate to keep the IN list minimal.
+	seen := make(map[int64]struct{}, len(ids))
+	unique := make([]int64, 0, len(ids))
+
+	for _, id := range ids {
+		if id == 0 {
+			continue
+		}
+
+		if _, ok := seen[id]; ok {
+			continue
+		}
+
+		seen[id] = struct{}{}
+
+		unique = append(unique, id)
+	}
+
+	if len(unique) == 0 {
+		return nil, nil
+	}
+
+	placeholders := make([]string, len(unique))
+
+	for i := range unique {
+		placeholders[i] = "?"
+	}
+
+	inList := strings.Join(placeholders, ", ")
+
+	// A recording's artist credit can name several artists; the old
+	// correlated subquery picked one via LIMIT 1. GROUP BY r.id with
+	// MIN() reproduces a single stable value without multiplying rows.
+	// SAFETY: placeholders are static "?" tokens; every value is
+	// parameterized. The IN list is bound twice (subquery + outer).
+	query := `SELECT r.id,
+		COALESCE(MIN(ca.file_path), '') AS cover_art_path,
+		COALESCE(MIN(a.mbid), '') AS artist_mbid,
+		COALESCE(MIN(rg.mbid), '') AS release_group_mbid,
+		COALESCE(r.mbid, '') AS recording_mbid
+	FROM recordings r
+	LEFT JOIN artist_credit ac ON r.artist_credit_id = ac.id
+	LEFT JOIN artist_credit_artist aca ON aca.credit_id = ac.id
+	LEFT JOIN artists a ON a.id = aca.artist_id
+	LEFT JOIN (
+		SELECT recording_id,
+			MIN(release_group_id) AS release_group_id
+		FROM release_group_recordings
+		WHERE recording_id IN (` + inList + `)
+		GROUP BY recording_id
+	) rgr ON r.id = rgr.recording_id
+	LEFT JOIN release_groups rg ON rgr.release_group_id = rg.id
+	LEFT JOIN cover_art ca ON rg.cover_art_id = ca.id
+	WHERE r.id IN (` + inList + `)
+	GROUP BY r.id`
+
+	args := make([]any, 0, len(unique)*2)
+	for range 2 {
+		for _, id := range unique {
+			args = append(args, id)
+		}
+	}
+
+	rows, err := db.QueryContext(query, args...)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"smart playlist artwork fetch failed: %w", err,
+		)
+	}
+
+	defer func() { _ = rows.Close() }()
+
+	result := make(map[int64]trackArtwork, len(unique))
+
+	for rows.Next() {
+		var (
+			rid int64
+			art trackArtwork
+		)
+
+		if err := rows.Scan(
+			&rid, &art.coverArtPath, &art.artistMBID,
+			&art.releaseGroupMBID, &art.recordingMBID,
+		); err != nil {
+			return nil, fmt.Errorf(
+				"could not scan smart playlist artwork row: %w", err,
+			)
+		}
+
+		result[rid] = art
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf(
+			"smart playlist artwork iteration error: %w", err,
+		)
+	}
+
+	return result, nil
+}
+
 // ParseRuleSet parses a JSON string into a validated RuleSet.
 func ParseRuleSet(jsonStr string) (RuleSet, error) {
 	var rs RuleSet

backend/smartplaylist/smartplaylist_test.go

@@ -4,6 +4,7 @@ import (
 	"strings"
 	"testing"
 
+	"yellowjacket/backend/coverart"
 	"yellowjacket/backend/database"
 )
 
@@ -812,6 +813,85 @@ func TestEvaluate_TextIs(t *testing.T) {
 	}
 }
 
+// TestEvaluate_ArtworkEnrichment verifies the presentation-only
+// cover-art and MusicBrainz-ID fields are attached to matched tracks
+// by the batched fetchArtwork pass (they are no longer part of the
+// lean filter query).
+func TestEvaluate_ArtworkEnrichment(t *testing.T) {
+	t.Parallel()
+
+	db := database.NewTestDB(t)
+
+	// Minimal FK chain: cover_art → release_group(mbid) →
+	// release_group_recordings → recording(mbid) → audio_file, plus
+	// artist_credit → artist_credit_artist → artist(mbid).
+	exec := func(query string, args ...any) {
+		t.Helper()
+
+		if _, err := db.ExecContext(query, args...); err != nil {
+			t.Fatalf("seed %q: %v", query, err)
+		}
+	}
+
+	// file_types are pre-seeded by the schema (id 0 = .mp3).
+	exec("INSERT INTO cover_art (id, file_path, mime_type) " +
+		"VALUES (1, '/covers/abc123.jpg', 'image/jpeg')")
+	exec("INSERT INTO artists (id, name, mbid) " +
+		"VALUES (1, 'Queen', 'artist-mbid-1')")
+	exec("INSERT INTO artist_credit (id, text) VALUES (1, 'Queen')")
+	exec("INSERT INTO artist_credit_artist (credit_id, artist_id) " +
+		"VALUES (1, 1)")
+	exec("INSERT INTO release_groups (id, name, cover_art_id, mbid) " +
+		"VALUES (1, 'A Night at the Opera', 1, 'rg-mbid-1')")
+	exec("INSERT INTO recordings (id, name, artist_credit_id, mbid) " +
+		"VALUES (1, 'Bohemian Rhapsody', 1, 'rec-mbid-1')")
+	exec("INSERT INTO release_group_recordings " +
+		"(release_group_id, recording_id) VALUES (1, 1)")
+	exec("INSERT INTO audio_files (id, file_path, " +
+		"length_milliseconds, recording_id, file_type_id) " +
+		"VALUES (1, '/music/bohemian.mp3', 354000, 1, 0)")
+
+	tracks, err := Evaluate(db, RuleSet{
+		Rules: []Rule{
+			{Field: "artist", Operator: "is", Value: "Queen"},
+		},
+	})
+	if err != nil {
+		t.Fatalf("Evaluate: %v", err)
+	}
+
+	if len(tracks) != 1 {
+		t.Fatalf("got %d tracks, want 1", len(tracks))
+	}
+
+	tr := tracks[0]
+
+	if tr.ArtistMBID != "artist-mbid-1" {
+		t.Errorf("ArtistMBID = %q, want artist-mbid-1", tr.ArtistMBID)
+	}
+
+	if tr.ReleaseGroupMBID != "rg-mbid-1" {
+		t.Errorf("ReleaseGroupMBID = %q, want rg-mbid-1",
+			tr.ReleaseGroupMBID)
+	}
+
+	if tr.RecordingMBID != "rec-mbid-1" {
+		t.Errorf("RecordingMBID = %q, want rec-mbid-1",
+			tr.RecordingMBID)
+	}
+
+	wantURLs := coverart.ResolveURLs("/covers/abc123.jpg")
+	if tr.CoverArtPath != wantURLs.Original {
+		t.Errorf("CoverArtPath = %q, want %q",
+			tr.CoverArtPath, wantURLs.Original)
+	}
+
+	if tr.CoverArtSmall != wantURLs.Small {
+		t.Errorf("CoverArtSmall = %q, want %q",
+			tr.CoverArtSmall, wantURLs.Small)
+	}
+}
+
 func TestEvaluate_TextContains(t *testing.T) {
 	t.Parallel()
 

frontend/src/components/audio-player/volume-control/volume-control.ts

@@ -6,14 +6,28 @@ import type WaSlider from '@awesome.me/webawesome/dist/components/slider/slider.
 import { PlayerController } from '@store/controllers/player-controller';
 import { designTokens } from '../../../styles/tokens.css';
 
+/** Volume change (0-100) applied per scroll-wheel tick. */
+const WHEEL_STEP = 5;
+
+/** Delay before a live volume change is pushed to the backend. */
+const VOLUME_DEBOUNCE_MS = 60;
+
 @customElement('volume-control')
 export class VolumeControl extends LitElement {
   private player = new PlayerController(this);
   private boundHandleOutsideClick = this.handleOutsideClick.bind(this);
+  private volumeDebounceTimer?: ReturnType<typeof setTimeout>;
 
   @state()
   private showSlider = false;
 
+  // Locally-tracked volume while the user is actively dragging or scrolling.
+  // The store's volume only updates once the backend echoes VolumeChanged
+  // (which we debounce), so we track intent here for responsive UI and to let
+  // rapid events accumulate. Cleared once the store catches up.
+  @state()
+  private pendingVolume: number | null = null;
+
   static override styles = [designTokens, css`
     :host {
       position: relative;
@@ -70,8 +84,12 @@ export class VolumeControl extends LitElement {
   // DERIVED STATE
   // ===================================================================
 
+  private get currentVolume(): number {
+    return this.pendingVolume ?? this.player.volume;
+  }
+
   private get volumeIcon(): string {
-    const vol = this.player.volume;
+    const vol = this.currentVolume;
 
     if (vol === 0) return 'volume-xmark';
     if (vol <= 50) return 'volume-low';
@@ -86,6 +104,15 @@ export class VolumeControl extends LitElement {
   override disconnectedCallback() {
     super.disconnectedCallback();
     document.removeEventListener('click', this.boundHandleOutsideClick);
+    clearTimeout(this.volumeDebounceTimer);
+  }
+
+  override willUpdate() {
+    // Once the backend has echoed our pending change back through the store,
+    // drop the local override so external volume changes are reflected again.
+    if (this.pendingVolume !== null && this.player.volume === this.pendingVolume) {
+      this.pendingVolume = null;
+    }
   }
 
   // ===================================================================
@@ -113,21 +140,37 @@ export class VolumeControl extends LitElement {
   }
 
   private handleInput(e: Event) {
-    const value = (e.target as WaSlider).value;
+    this.changeVolume((e.target as WaSlider).value);
-    this.player.setVolume(value);
+  }
+
+  private handleWheel(e: WheelEvent) {
+    e.preventDefault();
+    const direction = e.deltaY < 0 ? 1 : -1;
+    this.changeVolume(this.currentVolume + direction * WHEEL_STEP);
   }
 
   private handlePopupClick(e: Event) {
     e.stopPropagation();
   }
 
+  /** Update the UI immediately and push to the backend on a short debounce. */
+  private changeVolume(value: number) {
+    const clamped = Math.max(0, Math.min(100, Math.round(value)));
+    this.pendingVolume = clamped;
+
+    clearTimeout(this.volumeDebounceTimer);
+    this.volumeDebounceTimer = setTimeout(() => {
+      this.player.setVolume(clamped);
+    }, VOLUME_DEBOUNCE_MS);
+  }
+
   // ===================================================================
   // RENDER
   // ===================================================================
 
   override render() {
     return html`
-      <button @click="${this.toggleSlider}">
+      <button @click="${this.toggleSlider}" @wheel="${this.handleWheel}">
         <wa-icon name=${this.volumeIcon}></wa-icon>
       </button>
       ${this.showSlider
@@ -137,8 +180,8 @@ export class VolumeControl extends LitElement {
                 orientation="vertical"
                 min="0"
                 max="100"
-                .value="${this.player.volume}"
+                .value="${this.currentVolume}"
-                @change="${this.handleInput}"
+                @input="${this.handleInput}"
               ></wa-slider>
             </div>
           `

frontend/src/components/playlist-view/playlist-view.ts

@@ -1930,9 +1930,7 @@ export class PlaylistView extends LitElement {
         index: number,
     ) {
         const trackCount = entry.tracks.length;
-        const countLabel = entry.summary.IsSmart
+        const countLabel = `${trackCount} track${trackCount !== 1 ? 's' : ''}`;
-            ? 'Smart'
-            : `${trackCount} track${trackCount !== 1 ? 's' : ''}`;
         const isDragOver =
             this.dragOverPlaylistIndex === index;
 

packaging/homebrew/Formula/yellowjacket.rb

@@ -0,0 +1,65 @@
+# typed: false
+# frozen_string_literal: true
+
+# YellowJacket — cross-platform desktop music player built with Wails (Go + Lit).
+#
+# This formula builds from source. The Wails toolchain (`go tool wails`) resolves
+# from the tool directives in go.mod, and Wails drives the frontend install/build
+# itself (pnpm), so only the Go toolchain, Node, and pnpm are needed at build time.
+#
+# This file is the canonical source. On each tagged release, CI computes the
+# tarball checksum and syncs an updated copy into the homebrew-yellowjacket tap
+# repo (see .gitea/workflows/homebrew-formula.yml). The `version`/`sha256` lines
+# below are what CI rewrites — keep them on their own lines.
+class Yellowjacket < Formula
+  desc "Cross-platform desktop music player — local library, MusicBrainz explore & auto-tag"
+  homepage "https://git.ljones.me/yonlu/yellowjacket"
+  version "1.3.0"
+  url "https://git.ljones.me/yonlu/yellowjacket/archive/v#{version}.tar.gz"
+  sha256 "11929d9a7a32839f86213502b698a02376b38f0838fa20610408f062423899e5"
+  license :cannot_represent # custom license — see repository
+
+  head "https://git.ljones.me/yonlu/yellowjacket.git", branch: "main"
+
+  depends_on "go" => :build
+  depends_on "node" => :build
+  depends_on "pnpm" => :build
+
+  # Wails targets macOS and Linux. On Linux, Homebrew builds against the system
+  # WebKitGTK/GTK stack, which must be present (webkit2gtk-4.1, gtk3, alsa-lib).
+  on_linux do
+    depends_on "pkg-config" => :build
+  end
+
+  def install
+    ENV["CGO_ENABLED"] = "1"
+    # Keep Go resolving modules from the network into its sandboxed cache.
+    ENV["GOFLAGS"] = "-mod=mod"
+
+    commit = build.head? ? "HEAD" : "v#{version}"
+    ldflags = "-s -w -X 'main.version=v#{version}' -X 'main.commit=#{commit}'"
+
+    system "go", "generate", "./..."
+    system "go", "tool", "wails", "build",
+           "-tags", "webkit2_41",
+           "-clean", "-trimpath",
+           "-ldflags", ldflags
+
+    # Wails emits a .app bundle on macOS and a bare ELF binary on Linux.
+    if OS.mac?
+      prefix.install "build/bin/YellowJacket.app"
+      bin.write_exec_script "#{prefix}/YellowJacket.app/Contents/MacOS/YellowJacket"
+    else
+      bin.install "build/bin/yellowjacket"
+    end
+  end
+
+  test do
+    # The GUI binary has no headless mode; assert it was built and is runnable.
+    if OS.mac?
+      assert_predicate prefix/"YellowJacket.app/Contents/MacOS/YellowJacket", :executable?
+    else
+      assert_predicate bin/"yellowjacket", :executable?
+    end
+  end
+end

packaging/homebrew/README.md

@@ -0,0 +1,76 @@
+# YellowJacket Homebrew formula
+
+The formula builds YellowJacket from source on macOS and Linuxbrew, mirroring
+the Arch `PKGBUILD`: the Wails toolchain resolves from `go.mod`'s tool
+directives and drives the frontend build itself, so the only build inputs are
+Go, Node, and pnpm.
+
+```
+packaging/homebrew/
+└── Formula/
+    └── yellowjacket.rb   ← canonical source; CI syncs it to the tap repo
+```
+
+## Installing
+
+```bash
+brew install shadow-puppet/yellowjacket/yellowjacket
+```
+
+`shadow-puppet/yellowjacket` is Homebrew shorthand for the tap repo
+`github.com/Shadow-Puppet/homebrew-yellowjacket`. Brew auto-taps it, so there's
+no separate `brew tap` step. To build the tip of `main` instead of the latest
+release, add `--HEAD`.
+
+## How publishing works
+
+This directory holds the **canonical** formula. The tap users install from lives
+in a **separate** repo — `homebrew-yellowjacket` — because Homebrew only
+discovers formulae from a repo whose name starts with `homebrew-`, with the
+formula at a top-level `Formula/`. Keeping it separate is also why nothing has
+to live in this repo's root.
+
+On every version tag (`v*`), `.gitea/workflows/homebrew-formula.yml`:
+
+1. downloads the GitHub release tarball for that tag,
+2. computes its `sha256`,
+3. rewrites the `version` and `sha256` lines in the formula, and
+4. commits the result to `homebrew-yellowjacket`'s `Formula/yellowjacket.rb`.
+
+So a normal release needs **no manual formula edits** — tag, and the tap updates
+itself. (This is the Homebrew equivalent of the Arch package's publish workflow.)
+
+### About the `sha256`
+
+Homebrew re-downloads the source tarball on each install and refuses to build
+unless its checksum matches `sha256` — integrity/tamper detection. The committed
+value here is a `REPLACE_WITH_...` placeholder on purpose; the real checksum is
+computed and injected by CI at release time, so it never has to be maintained by
+hand. (The Arch `PKGBUILD` sidesteps this with `SKIP` because it clones over git
+rather than downloading a tarball.)
+
+## One-time setup
+
+1. **Create the tap repo:** `Shadow-Puppet/homebrew-yellowjacket` on GitHub,
+   with a `main` branch. It can start empty — the first tagged release seeds
+   `Formula/yellowjacket.rb`.
+2. **Add a CI secret:** `HOMEBREW_TAP_TOKEN` — a GitHub token with write access
+   to that repo (a fine-grained PAT scoped to `homebrew-yellowjacket`, Contents:
+   read/write, is enough).
+
+That's it. The source repo must be public (or the tap private with an
+authenticated `brew install`) for brew to fetch the release tarball.
+
+## Notes
+
+- **License**: declared as `license :cannot_represent` (custom license). Replace
+  with the correct SPDX identifier once the license is finalized.
+- **macOS vs Linux**: `wails build` produces a `YellowJacket.app` bundle on
+  macOS (installed under the Cellar with an `exec` shim in `bin`) and a bare
+  `yellowjacket` binary on Linux (installed to `bin`).
+- **Linuxbrew**: building on Linux additionally needs the system WebKitGTK/GTK
+  stack (`webkit2gtk-4.1`, `gtk3`, `alsa-lib`) — OS packages, not Homebrew deps.
+  macOS needs only the Xcode Command Line Tools.
+- **Cask alternative**: if you later ship prebuilt macOS `.dmg`/`.zip` artifacts,
+  a Homebrew *cask* pointing at those installs faster than this source build.
+  This formula is the source-build path.