Merge pull request 'One track-list shape across the web app, drag reorder that snaps (M494)' (#152) from dev into main

web/src/lib/components/ArtistCard.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+  import { shuffled } from '#lib/utils/shuffle.js';
   import type { ArtistRef, TrackRef } from '#lib/api/types.js';
   import { api } from '#lib/api/client.js';
   import { playQueue, enqueueTracks } from '#lib/player/store.svelte.js';
@@ -12,21 +13,12 @@
 
   let queueing = $state(false);
 
-  function shuffle<T>(items: T[]): T[] {
-    const arr = items.slice();
-    for (let i = arr.length - 1; i > 0; i--) {
-      const j = Math.floor(Math.random() * (i + 1));
-      [arr[i], arr[j]] = [arr[j], arr[i]];
-    }
-    return arr;
-  }
-
   async function onPlayClick(e: MouseEvent) {
     e.preventDefault();
     e.stopPropagation();
     const tracks = await api.get<TrackRef[]>(`/api/artists/${artist.id}/tracks`);
     if (tracks.length === 0) return;
-    playQueue(shuffle(tracks), 0);
+    playQueue(shuffled(tracks), 0);
   }
 
   async function onAddToQueue(e: MouseEvent) {

web/src/lib/components/CollectionHeader.svelte

@@ -0,0 +1,60 @@
+<script lang="ts">
+  // The header of every page that is one collection of tracks, album and
+  // playlist (milestone 494): cover, title, a line or two of facts, then
+  // Play and Shuffle (PlayActions).
+  import type { Snippet } from 'svelte';
+  import PlayActions from './PlayActions.svelte';
+  import Cover from './Cover.svelte';
+
+  let {
+    title,
+    coverUrl,
+    coverAlt = '',
+    playDisabled = false,
+    onPlay,
+    onShuffle,
+    titleExtra,
+    tools,
+    children,
+    actions
+  }: {
+    title: string;
+    coverUrl: string | null | undefined;
+    coverAlt?: string;
+    playDisabled?: boolean;
+    onPlay: () => void;
+    onShuffle: () => void;
+    /** Beside the title, e.g. the album's like button. */
+    titleExtra?: Snippet;
+    /** Top right: refresh, link, edit, delete. */
+    tools?: Snippet;
+    /** The facts under the title. */
+    children?: Snippet;
+    /** After Play and Shuffle, e.g. an admin's Refetch cover. */
+    actions?: Snippet;
+  } = $props();
+</script>
+
+<header class="mb-6 flex items-start gap-4">
+  <div class="h-32 w-32 shrink-0 overflow-hidden rounded-md md:h-40 md:w-40">
+    <Cover src={coverUrl ?? undefined} alt={coverAlt} />
+  </div>
+
+  <div class="min-w-0 flex-1 space-y-2">
+    <div class="flex items-start gap-3">
+      <h1 class="min-w-0 truncate font-display text-2xl font-medium text-text-primary">{title}</h1>
+      {#if titleExtra}{@render titleExtra()}{/if}
+      {#if tools}
+        <div class="ml-auto flex shrink-0 items-center gap-1">{@render tools()}</div>
+      {/if}
+    </div>
+
+    {#if children}{@render children()}{/if}
+
+    <div class="pt-1">
+      <PlayActions name={title} disabled={playDisabled} {onPlay} {onShuffle}>
+        {#if actions}{@render actions()}{/if}
+      </PlayActions>
+    </div>
+  </div>
+</header>

web/src/lib/components/HistoryRow.svelte

@@ -2,6 +2,8 @@
   import type { HistoryEvent } from '#lib/api/history.js';
   import { playQueue } from '#lib/player/store.svelte.js';
   import { coverUrl } from '#lib/media/covers.js';
+  import TrackListRow from './TrackListRow.svelte';
+  import Cover from './Cover.svelte';
 
   let { event } = $props<{ event: HistoryEvent }>();
 
@@ -40,25 +42,23 @@
   const tooltip = $derived(new Date(event.played_at).toISOString());
 </script>
 
-<button
-  type="button"
-  onclick={handleClick}
-  aria-label={`Play ${event.track.title}`}
-  class="flex w-full items-center gap-3 px-3 py-2 text-left transition-colors hover:bg-surface-hover"
+<TrackListRow
+  title={event.track.title}
+  subtitle={`${event.track.artist_name} · ${event.track.album_title}`}
+  durationSec={event.track.duration_sec}
+  track={event.track}
+  ariaLabel={`Play ${event.track.title}`}
+  onActivate={handleClick}
 >
-  <img
-    src={coverUrl(event.track.album_id)}
-    alt=""
-    class="h-11 w-11 shrink-0 rounded object-cover"
-    loading="lazy"
-  />
-  <div class="min-w-0 flex-1">
-    <div class="truncate text-sm font-medium text-text-primary">{event.track.title}</div>
-    <div class="truncate text-xs text-text-secondary">
-      {event.track.artist_name} · {event.track.album_title}
-    </div>
-  </div>
-  <span title={tooltip} class="shrink-0 text-xs text-text-secondary">
-    {timestamp}
-  </span>
-</button>
+  {#snippet lead()}
+    <span class="block h-8 w-8 overflow-hidden rounded">
+      <Cover src={coverUrl(event.track.album_id)} />
+    </span>
+  {/snippet}
+
+  {#snippet trailing()}
+    <span title={tooltip} class="w-16 shrink-0 text-right text-xs text-text-secondary">
+      {timestamp}
+    </span>
+  {/snippet}
+</TrackListRow>

web/src/lib/components/HistoryRow.test.ts

@@ -1,15 +1,35 @@
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 import { render, screen, fireEvent } from '@testing-library/svelte';
-import HistoryRow from './HistoryRow.svelte';
 import type { HistoryEvent } from '#lib/api/history.js';
 import { makeTrack } from '#test-utils/fixtures/track.js';
+import { emptyLikesMock } from '../../test-utils/mocks/likes';
+import { emptyQuarantineMock } from '../../test-utils/mocks/quarantine';
 
 const playQueue = vi.fn();
 
+// The row is a TrackListRow, so LikeButton and TrackMenu render too.
 vi.mock('#lib/player/store.svelte.js', () => ({
-  playQueue: (...args: unknown[]) => playQueue(...args)
+  playQueue: (...args: unknown[]) => playQueue(...args),
+  playNext: vi.fn(),
+  enqueueTrack: vi.fn(),
+  playRadio: vi.fn(),
+  player: { current: undefined }
 }));
 
+vi.mock('#lib/auth/store.svelte.js', () => ({
+  user: { value: { id: 'u1', username: 'me', is_admin: false } }
+}));
+
+vi.mock('$app/navigation', () => ({ goto: vi.fn() }));
+
+vi.mock('#lib/api/likes.js', () => emptyLikesMock());
+
+vi.mock('#lib/api/quarantine.js', () => emptyQuarantineMock());
+
+// Imported after the mocks: the component pulls in LikeButton, whose
+// mocked module must already be initialised.
+import HistoryRow from './HistoryRow.svelte';
+
 const sampleTrack = makeTrack({
   title: 'Song Title',
   album_title: 'Album',
@@ -41,6 +61,13 @@ describe('HistoryRow', () => {
     expect(playQueue).toHaveBeenCalledWith([sampleTrack], 0);
   });
 
+  it('carries the shared row controls: like, radio, add and the menu', () => {
+    render(HistoryRow, { props: { event: sampleEvent } });
+    expect(screen.getByRole('button', { name: /play radio/i })).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: /add song title to queue/i })).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: /track actions for/i })).toBeInTheDocument();
+  });
+
   it('renders a relative timestamp for events under 1 hour ago', () => {
     render(HistoryRow, { props: { event: sampleEvent } });
     expect(screen.getByText(/\d+m ago/)).toBeInTheDocument();

web/src/lib/components/HorizontalScrollRow.svelte

@@ -62,14 +62,8 @@
 <div class="section" aria-label={ariaLabel}>
   <header class="section-header">
     {#if title}
-      <!-- Section header: Fraunces (font-display) at 24px with an
-           inline accent rule that bleeds out from the title — gives
-           each shelf a clear chapter break without adding chrome. -->
-      <h2
-        class="font-display text-2xl font-medium text-text-primary
-               flex items-baseline gap-3 after:h-[2px] after:w-12 after:shrink-0
-               after:rounded-full after:bg-accent/60 after:content-['']"
-      >{title}</h2>
+      <!-- Section header: Fraunces (font-display) at 24px. -->
+      <h2 class="font-display text-2xl font-medium text-text-primary">{title}</h2>
     {:else}
       <span></span>
     {/if}

web/src/lib/components/PageColumn.svelte

@@ -0,0 +1,14 @@
+<script lang="ts">
+  // The centred column every track-list page sits in: album, playlist,
+  // Liked, History and Search → Tracks (milestone 494). The playlist page
+  // had it alone from May 2026; the operator picked it as the page shape
+  // on 2026-10-08. Shelf and grid pages (Home, Library, Discover, Artist,
+  // Search) stay full width, since a narrow column would cost them cards.
+  import type { Snippet } from 'svelte';
+
+  let { children }: { children: Snippet } = $props();
+</script>
+
+<div class="mx-auto w-full max-w-4xl space-y-4 px-4 py-6">
+  {@render children()}
+</div>

web/src/lib/components/PlayActions.svelte

@@ -0,0 +1,53 @@
+<script lang="ts">
+  // Play and Shuffle, the same on every page that has them: album,
+  // playlist and artist (milestone 494). Play is filled and Shuffle
+  // outlined. The fill is the accent: the operator's call on 2026-10-08,
+  // made with the house rule against accent on action buttons stated to
+  // them.
+  import type { Snippet } from 'svelte';
+  import { Play, Shuffle } from 'lucide-svelte';
+
+  let {
+    name,
+    disabled = false,
+    onPlay,
+    onShuffle,
+    children
+  }: {
+    /** What is played, for the buttons' accessible names. */
+    name: string;
+    disabled?: boolean;
+    onPlay: () => void;
+    onShuffle: () => void;
+    /** Further actions after Shuffle. */
+    children?: Snippet;
+  } = $props();
+</script>
+
+<div class="flex flex-wrap items-center gap-2">
+  <button
+    type="button"
+    aria-label={`Play ${name}`}
+    onclick={onPlay}
+    {disabled}
+    class="flex items-center gap-2 rounded-md bg-accent px-4 py-2 text-sm font-medium
+           text-text-primary hover:opacity-90 focus-visible:ring-2 focus-visible:ring-accent
+           disabled:opacity-50"
+  >
+    <Play size={16} strokeWidth={1.5} fill="currentColor" />
+    Play
+  </button>
+  <button
+    type="button"
+    aria-label={`Shuffle ${name}`}
+    onclick={onShuffle}
+    {disabled}
+    class="flex items-center gap-2 rounded-md border border-border bg-surface px-4 py-2
+           text-sm font-medium text-text-primary hover:border-accent
+           focus-visible:ring-2 focus-visible:ring-accent disabled:opacity-50"
+  >
+    <Shuffle size={16} strokeWidth={1.5} />
+    Shuffle
+  </button>
+  {#if children}{@render children()}{/if}
+</div>

web/src/lib/components/PlaylistTrackRow.svelte

@@ -1,12 +1,10 @@
 <script lang="ts">
+  // A track in a playlist. The look is TrackListRow's; what this adds is
+  // the reorder grip, remove, and the two ways an entry can be dead.
   import { GripVertical, X } from 'lucide-svelte';
-  import { draggable, type DragEventData } from '@neodrag/svelte';
-  import LikeButton from './LikeButton.svelte';
-  import TrackMenu from './TrackMenu.svelte';
   import type { PlaylistTrack } from '#lib/api/types.js';
   import { playlistTrackToRef } from '#lib/playlists/playlistTrackToRef.js';
-  import { player } from '#lib/player/store.svelte.js';
-  import { offsetToDelta } from './queue-row-math';
+  import TrackListRow from './TrackListRow.svelte';
 
   let {
     row,
@@ -32,22 +30,21 @@
   const isRemoved = $derived(row.track_id === null);
   const isUnavailable = $derived(isRemoved || isMissingFile);
 
-  // Reconstruct a minimal TrackRef for the kebab menu when the
-  // upstream track still exists. When unavailable, the menu is hidden.
+  // null when the entry cannot be played, which hides like, radio, add
+  // and the menu.
   const liveTrack = $derived(playlistTrackToRef(row));
 
-  let measuredRowHeight = 56; // sensible default; replaced on dragStart
+  const canDrag = $derived(isOwner && !isUnavailable);
 
-  function handleDragStart(data: DragEventData) {
-    const rect = data.rootNode.getBoundingClientRect();
-    if (rect.height > 0) measuredRowHeight = rect.height;
-  }
-
-  function handleDragEnd(data: DragEventData) {
-    const delta = offsetToDelta(data.offsetY, measuredRowHeight);
-    if (delta === 0) return;
-    onMove?.(row.position, row.position + delta);
-  }
+  const drag = $derived(
+    isOwner
+      ? {
+          disabled: !canDrag,
+          handle: '[data-reorder-handle]',
+          onMove: (delta: number) => onMove?.(row.position, row.position + delta)
+        }
+      : null
+  );
 
   function handleHandleKeydown(e: KeyboardEvent) {
     if (e.key === 'ArrowUp') {
@@ -63,87 +60,57 @@
       e.preventDefault();
     }
   }
-
-  function format(sec: number): string {
-    const m = Math.floor(sec / 60);
-    const s = sec % 60;
-    return `${m}:${s.toString().padStart(2, '0')}`;
-  }
-
-  // Drag is gated on owner+available. When neither, the action runs but
-  // the dragEnd handler skips by returning before onMove fires; visually
-  // the user never sees the row move.
-  const canDrag = $derived(isOwner && !isUnavailable);
-
-  // "Now playing" highlight: matches QueueTrackRow's treatment so the
-  // user can see which row is current without reading the player bar.
-  // Unavailable rows (trackId === null) never match.
-  const isCurrent = $derived(
-    !isUnavailable && player.current?.id === row.track_id,
-  );
 </script>
 
-<div
-  role="listitem"
-  class="flex items-center gap-3 px-3 py-2 text-sm transition-colors hover:bg-surface-hover
-         {isUnavailable ? 'text-text-muted' : 'text-text-primary'}
-         {isCurrent ? 'border-l-2 border-l-accent bg-surface-hover' : ''}"
-  use:draggable={{
-    axis: 'y',
-    bounds: 'parent',
-    disabled: !canDrag,
-    onDragStart: handleDragStart,
-    onDragEnd: handleDragEnd
-  }}
+<TrackListRow
+  title={row.title}
+  subtitle={`${row.artist_name} · ${row.album_title}`}
+  durationSec={row.duration_sec}
+  track={liveTrack}
+  ariaLabel={`Play ${row.title}`}
+  rowTitle={isMissingFile
+    ? 'This track’s file is missing from the library, so it can’t be played. It stays in the playlist, and returns automatically if the file comes back.'
+    : undefined}
+  disabled={isUnavailable}
+  struck={isRemoved}
+  {drag}
+  onActivate={() => onPlay(row.position)}
 >
-  {#if isOwner}
-    <button
-      type="button"
-      disabled={!canDrag}
-      aria-label="Reorder track (drag or use arrow keys)"
-      aria-keyshortcuts="ArrowUp ArrowDown"
-      onkeydown={handleHandleKeydown}
-      class="shrink-0 cursor-grab text-text-muted hover:text-text-primary
-             active:cursor-grabbing focus-visible:outline-solid focus-visible:outline-2
-             focus-visible:outline-accent disabled:cursor-not-allowed disabled:opacity-50"
-    >
-      <GripVertical size={14} strokeWidth={1} />
-    </button>
-  {/if}
+  {#snippet lead()}
+    {#if isOwner}
+      <button
+        type="button"
+        data-reorder-handle
+        disabled={!canDrag}
+        aria-label="Reorder track (drag or use arrow keys)"
+        aria-keyshortcuts="ArrowUp ArrowDown"
+        onclick={(e) => e.stopPropagation()}
+        onkeydown={handleHandleKeydown}
+        class="cursor-grab p-1 text-text-muted hover:text-text-primary
+               active:cursor-grabbing focus-visible:outline-solid focus-visible:outline-2
+               focus-visible:outline-accent disabled:cursor-not-allowed disabled:opacity-50"
+      >
+        <GripVertical size={16} strokeWidth={1} />
+      </button>
+    {/if}
+  {/snippet}
 
-  <button
-    type="button"
-    class="min-w-0 flex-1 text-left"
-    onclick={() => !isUnavailable && onPlay(row.position)}
-    disabled={isUnavailable}
-    title={isMissingFile
-      ? 'This track’s file is missing from the library, so it can’t be played. It stays in the playlist, and returns automatically if the file comes back.'
-      : undefined}
-  >
-    <div class="truncate {isRemoved ? 'line-through' : ''}">{row.title}</div>
-    <div class="truncate text-xs text-text-muted">
-      {row.artist_name} · {row.album_title}
-      {#if isMissingFile}
-        <span class="text-action-destructive"> · File missing</span>
-      {/if}
-    </div>
-  </button>
+  {#snippet note()}
+    {#if isMissingFile}
+      <span class="text-error-fg"> · File missing</span>
+    {/if}
+  {/snippet}
 
-  <span class="shrink-0 text-xs text-text-muted">{format(row.duration_sec)}</span>
-
-  {#if !isUnavailable && liveTrack}
-    <LikeButton entityType="track" entityId={liveTrack.id} />
-    <TrackMenu track={liveTrack} />
-  {/if}
-
-  {#if isOwner}
-    <button
-      type="button"
-      onclick={() => onRemove(row.position)}
-      aria-label={`Remove ${row.title} from playlist`}
-      class="shrink-0 rounded p-1 text-text-muted hover:bg-surface hover:text-action-destructive"
-    >
-      <X size={14} strokeWidth={1} />
-    </button>
-  {/if}
-</div>
+  {#snippet trailing()}
+    {#if isOwner}
+      <button
+        type="button"
+        onclick={(e) => { e.stopPropagation(); onRemove(row.position); }}
+        aria-label={`Remove ${row.title} from playlist`}
+        class="shrink-0 rounded p-1 text-text-muted hover:bg-surface hover:text-action-destructive"
+      >
+        <X size={16} strokeWidth={1} />
+      </button>
+    {/if}
+  {/snippet}
+</TrackListRow>

web/src/lib/components/QueueTrackRow.svelte

@@ -1,10 +1,9 @@
 <script lang="ts">
   import { GripVertical, X } from 'lucide-svelte';
-  import { draggable, type DragEventData } from '@neodrag/svelte';
   import type { TrackRef } from '#lib/api/types.js';
   import { playFromQueueIndex, removeFromQueue, moveQueueItem } from '#lib/player/store.svelte.js';
   import { coverUrl, FALLBACK_COVER } from '#lib/media/covers.js';
-  import { offsetToDelta } from './queue-row-math';
+  import { reorderDrag } from './reorder-drag';
   import LikeButton from './LikeButton.svelte';
 
   let { track, index, isCurrent } = $props<{
@@ -13,14 +12,6 @@
     isCurrent: boolean;
   }>();
 
-  let measuredRowHeight = 64; // sensible default; replaced on dragStart
-
-  function handleDragStart(data: DragEventData) {
-    // The action's `data.rootNode` is the element use:draggable was applied to.
-    const rect = data.rootNode.getBoundingClientRect();
-    if (rect.height > 0) measuredRowHeight = rect.height;
-  }
-
   function handleBodyClick() {
     if (isCurrent) return;
     playFromQueueIndex(index);
@@ -30,12 +21,6 @@
     removeFromQueue(index);
   }
 
-  function handleDragEnd(data: DragEventData) {
-    const delta = offsetToDelta(data.offsetY, measuredRowHeight);
-    if (delta === 0) return;
-    moveQueueItem(index, index + delta);
-  }
-
   function handleHandleKeydown(e: KeyboardEvent) {
     if (e.key === 'ArrowUp') {
       e.preventDefault();
@@ -53,14 +38,15 @@
 </script>
 
 <div
-  use:draggable={{ axis: 'y', bounds: 'parent', onDragStart: handleDragStart, onDragEnd: handleDragEnd }}
+  use:reorderDrag={{ onMove: (delta) => moveQueueItem(index, index + delta) }}
   class="flex items-center gap-2 border-b border-border px-3 py-2 h-16
-         {isCurrent ? 'border-l-2 border-l-accent bg-surface-hover' : ''}"
+         [&.neodrag-dragging]:relative [&.neodrag-dragging]:z-10 [&.neodrag-dragging]:shadow-lg
+         {isCurrent ? 'border-l-2 border-l-accent bg-surface-hover' : 'bg-background'}"
 >
   <!--
     The album art is the grab surface (#2395). The grip used to occupy its own
     column in every row; it now sits OVER the art, so it costs no horizontal
-    space at all. `use:draggable` is on the row (above), so dragging already
+    space at all. `use:reorderDrag` is on the row (above), so dragging already
     worked from anywhere — the grip's real jobs are being the visual cue and
     the keyboard target, and both survive here.
 

web/src/lib/components/TrackList.svelte

@@ -0,0 +1,12 @@
+<script lang="ts">
+  // The box every track list sits in (milestone 494). No fill of its own:
+  // the rows stripe themselves, and a filled box would hide the stripe.
+  // Rows are direct children so `odd:` counts them.
+  import type { Snippet } from 'svelte';
+
+  let { children }: { children: Snippet } = $props();
+</script>
+
+<div class="overflow-hidden rounded-md border border-border">
+  {@render children()}
+</div>

web/src/lib/components/TrackListRow.svelte

@@ -0,0 +1,151 @@
+<script lang="ts">
+  // The one shape every track list in the web app draws (milestone 494):
+  // a lead column (track number, drag grip or cover), title over a muted
+  // subtitle, then like, radio, add-to-queue, the track menu and the
+  // duration, then whatever the list adds at the end (remove, a timestamp).
+  // The wrappers — TrackRow, PlaylistTrackRow, HistoryRow — own behaviour
+  // (selection, reorder, remove); this component owns how a row looks, so
+  // the lists cannot drift apart again.
+  import type { Snippet } from 'svelte';
+  import { Plus, Radio } from 'lucide-svelte';
+  import type { TrackRef } from '#lib/api/types.js';
+  import { formatDuration } from '#lib/media/duration.js';
+  import { player, enqueueTrack, playRadio } from '#lib/player/store.svelte.js';
+  import LikeButton from './LikeButton.svelte';
+  import TrackMenu from './TrackMenu.svelte';
+  import { reorderDrag, type ReorderDragOptions } from './reorder-drag';
+
+  let {
+    title,
+    subtitle = '',
+    durationSec,
+    track,
+    ariaLabel,
+    rowTitle,
+    isSelected = false,
+    disabled = false,
+    struck = false,
+    drag = null,
+    onActivate,
+    lead,
+    note,
+    trailing
+  }: {
+    title: string;
+    subtitle?: string;
+    durationSec: number;
+    /** The playable track. null when the row cannot be played, which hides
+        like, radio, add and the menu: there is nothing for them to act on. */
+    track: TrackRef | null;
+    ariaLabel: string;
+    /** Tooltip for the whole row. */
+    rowTitle?: string;
+    isSelected?: boolean;
+    disabled?: boolean;
+    /** Strike the title through: the track is gone for good. */
+    struck?: boolean;
+    drag?: ReorderDragOptions | null;
+    onActivate: (e: MouseEvent | KeyboardEvent) => void;
+    lead?: Snippet;
+    /** Appended to the subtitle line, e.g. a "File missing" marker. */
+    note?: Snippet;
+    trailing?: Snippet;
+  } = $props();
+
+  const isCurrent = $derived(!!track && player.current?.id === track.id);
+
+  // The stripe is only drawn on rows with no state of their own. Tailwind
+  // emits `odd:` after the plain utilities, so a striped odd row would win
+  // over the now-playing or selected background.
+  const background = $derived(
+    isCurrent
+      ? 'border-l-2 border-l-accent bg-surface-hover'
+      : isSelected
+        ? 'bg-surface-hover'
+        : 'odd:bg-surface/50 hover:bg-surface-hover'
+  );
+
+  function onclick(e: MouseEvent) {
+    if (!disabled) onActivate(e);
+  }
+
+  function onkeydown(e: KeyboardEvent) {
+    // Keys pressed on a control inside the row belong to that control.
+    if (e.target !== e.currentTarget) return;
+    if (e.key !== 'Enter' && e.key !== ' ') return;
+    e.preventDefault();
+    if (!disabled) onActivate(e);
+  }
+
+  function onRadio(e: MouseEvent) {
+    e.stopPropagation();
+    if (track) playRadio(track.id);
+  }
+
+  function onAdd(e: MouseEvent) {
+    e.stopPropagation();
+    if (track) enqueueTrack(track);
+  }
+</script>
+
+<div
+  role="button"
+  tabindex="0"
+  aria-label={ariaLabel}
+  aria-disabled={disabled || undefined}
+  title={rowTitle}
+  data-selected={isSelected}
+  {onclick}
+  {onkeydown}
+  use:reorderDrag={drag}
+  class="group relative flex w-full items-center gap-3 px-3 py-2 text-left text-sm
+         transition-colors focus-visible:outline-solid focus-visible:outline-2
+         focus-visible:outline-accent [&.neodrag-dragging]:z-10
+         [&.neodrag-dragging]:bg-surface-hover [&.neodrag-dragging]:shadow-lg
+         {background}
+         {disabled ? 'cursor-default text-text-muted' : 'cursor-pointer text-text-primary'}"
+>
+  {#if lead}
+    <span class="flex w-8 shrink-0 items-center justify-center">{@render lead()}</span>
+  {/if}
+
+  <span class="min-w-0 flex-1">
+    <span class="block truncate {struck ? 'line-through' : ''}">{title}</span>
+    {#if subtitle || note}
+      <span class="block truncate text-xs text-text-secondary">
+        {subtitle}{#if note}{@render note()}{/if}
+      </span>
+    {/if}
+  </span>
+
+  {#if track}
+    <LikeButton entityType="track" entityId={track.id} />
+    <button
+      type="button"
+      aria-label="Play radio from this track"
+      title="Play radio"
+      onclick={onRadio}
+      class="hidden shrink-0 rounded p-1 text-text-secondary hover:text-text-primary sm:inline-flex"
+    >
+      <Radio size={16} strokeWidth={1} />
+    </button>
+    <button
+      type="button"
+      aria-label={`Add ${track.title} to queue`}
+      title="Add to queue"
+      onclick={onAdd}
+      class="hidden shrink-0 rounded p-1 text-text-secondary hover:text-text-primary sm:inline-flex"
+    >
+      <Plus size={16} strokeWidth={1} />
+    </button>
+    <TrackMenu {track} />
+  {/if}
+
+  <span class="w-12 shrink-0 text-right text-xs tabular-nums text-text-secondary">
+    {formatDuration(durationSec)}
+  </span>
+
+  {#if trailing}
+    {@render trailing()}
+  {/if}
+</div>

web/src/lib/components/TrackListRow.test.ts

@@ -0,0 +1,104 @@
+import { afterEach, describe, expect, test, vi } from 'vitest';
+import { render, screen, fireEvent } from '@testing-library/svelte';
+import { emptyLikesMock } from '../../test-utils/mocks/likes';
+import { emptyQuarantineMock } from '../../test-utils/mocks/quarantine';
+import { makeTrack } from '#test-utils/fixtures/track.js';
+
+const player = vi.hoisted(() => ({ current: undefined as { id: string } | undefined }));
+
+vi.mock('#lib/player/store.svelte.js', () => ({
+  playNext: vi.fn(),
+  enqueueTrack: vi.fn(),
+  playQueue: vi.fn(),
+  playRadio: vi.fn(),
+  player
+}));
+
+vi.mock('#lib/api/likes.js', () => emptyLikesMock());
+
+vi.mock('#lib/api/quarantine.js', () => emptyQuarantineMock());
+
+import TrackListRow from './TrackListRow.svelte';
+import { enqueueTrack, playRadio } from '#lib/player/store.svelte.js';
+
+const track = makeTrack({ id: 't1', title: 'Roygbiv', duration_sec: 137 });
+
+function base(overrides: Record<string, unknown> = {}) {
+  return {
+    title: 'Roygbiv',
+    subtitle: 'Boards of Canada · MHTRTC',
+    durationSec: 137,
+    track,
+    ariaLabel: 'Roygbiv',
+    onActivate: vi.fn(),
+    ...overrides
+  };
+}
+
+afterEach(() => {
+  vi.clearAllMocks();
+  player.current = undefined;
+});
+
+describe('TrackListRow', () => {
+  test('draws title, subtitle and duration', () => {
+    render(TrackListRow, { props: base() });
+    expect(screen.getByText('Roygbiv')).toBeInTheDocument();
+    expect(screen.getByText('Boards of Canada · MHTRTC')).toBeInTheDocument();
+    expect(screen.getByText('2:17')).toBeInTheDocument();
+  });
+
+  test('a plain row is striped; the now-playing row is banded instead', () => {
+    const { unmount } = render(TrackListRow, { props: base() });
+    expect(screen.getByRole('button', { name: 'Roygbiv' }).className).toContain('odd:bg-surface/50');
+    unmount();
+
+    player.current = { id: 't1' };
+    render(TrackListRow, { props: base() });
+    const row = screen.getByRole('button', { name: 'Roygbiv' });
+    expect(row.className).toContain('border-l-accent');
+    expect(row.className).not.toContain('odd:bg-surface/50');
+  });
+
+  test('click and Enter activate the row', async () => {
+    const props = base();
+    render(TrackListRow, { props });
+    const row = screen.getByRole('button', { name: 'Roygbiv' });
+    await fireEvent.click(row);
+    await fireEvent.keyDown(row, { key: 'Enter' });
+    expect(props.onActivate).toHaveBeenCalledTimes(2);
+  });
+
+  // Enter on a control inside the row is that control's, not the row's.
+  // The old TrackRow played the track when Enter was pressed on "add".
+  test('Enter on an inner control does not activate the row', async () => {
+    const props = base();
+    render(TrackListRow, { props });
+    await fireEvent.keyDown(screen.getByRole('button', { name: /add roygbiv to queue/i }), { key: 'Enter' });
+    expect(props.onActivate).not.toHaveBeenCalled();
+  });
+
+  test('radio and add act on the track without activating the row', async () => {
+    const props = base();
+    render(TrackListRow, { props });
+    await fireEvent.click(screen.getByRole('button', { name: /play radio/i }));
+    await fireEvent.click(screen.getByRole('button', { name: /add roygbiv to queue/i }));
+    expect(playRadio).toHaveBeenCalledWith('t1');
+    expect(enqueueTrack).toHaveBeenCalledWith(track);
+    expect(props.onActivate).not.toHaveBeenCalled();
+  });
+
+  test('a row with no playable track hides like, radio, add and the menu', () => {
+    render(TrackListRow, { props: base({ track: null, disabled: true }) });
+    expect(screen.queryByRole('button', { name: /play radio/i })).not.toBeInTheDocument();
+    expect(screen.queryByRole('button', { name: /to queue/i })).not.toBeInTheDocument();
+    expect(screen.queryByRole('button', { name: /track actions for/i })).not.toBeInTheDocument();
+  });
+
+  test('a disabled row does not activate', async () => {
+    const props = base({ disabled: true });
+    render(TrackListRow, { props });
+    await fireEvent.click(screen.getByRole('button', { name: 'Roygbiv' }));
+    expect(props.onActivate).not.toHaveBeenCalled();
+  });
+});

web/src/lib/components/TrackRow.svelte

@@ -1,10 +1,10 @@
 <script lang="ts">
+  // A track in a library list (album, Liked, Search). The look is
+  // TrackListRow's; what this adds is the track number and multi-select.
   import type { TrackRef } from '#lib/api/types.js';
-  import { formatDuration } from '#lib/media/duration.js';
-  import { player, playQueue, enqueueTrack, playRadio } from '#lib/player/store.svelte.js';
-  import { Plus, Check } from 'lucide-svelte';
-  import LikeButton from './LikeButton.svelte';
-  import TrackMenu from './TrackMenu.svelte';
+  import { playQueue } from '#lib/player/store.svelte.js';
+  import { Check } from 'lucide-svelte';
+  import TrackListRow from './TrackListRow.svelte';
   import {
     selection, toggleOne, selectRange
   } from '#lib/selection/store.svelte.js';
@@ -14,25 +14,30 @@
   let {
     tracks,
     index,
-    onPlay
-  }: { tracks: TrackRef[]; index: number; onPlay?: PlayHandler } = $props();
+    onPlay,
+    showAlbum = true
+  }: {
+    tracks: TrackRef[];
+    index: number;
+    onPlay?: PlayHandler;
+    /** Off on the album page, where the album is the page itself. */
+    showAlbum?: boolean;
+  } = $props();
 
   const track = $derived(tracks[index]);
 
-  const isCurrent  = $derived(player.current?.id === track.id);
   const isSelected = $derived(selection.isSelected(track.id));
   const selectMode = $derived(selection.active);
 
-  function activate() {
-    if (onPlay) onPlay(tracks, index);
-    else playQueue(tracks, index);
-  }
+  const subtitle = $derived(
+    showAlbum ? `${track.artist_name} · ${track.album_title}` : track.artist_name
+  );
 
-  function onRowClick(e: MouseEvent) {
-    // In selection mode any click toggles; outside selection mode click
-    // plays as before. Shift+click extends the range from the anchor
-    // regardless of mode (enters selection mode if nothing was picked).
-    if (e.shiftKey) {
+  function activate(e: MouseEvent | KeyboardEvent) {
+    // In selection mode any activation toggles; outside it, it plays.
+    // Shift+click extends the range from the anchor regardless of mode
+    // (entering selection mode if nothing was picked).
+    if (e instanceof MouseEvent && e.shiftKey) {
       e.preventDefault();
       selectRange(index, tracks);
       return;
@@ -41,15 +46,8 @@
       toggleOne(track, index);
       return;
     }
-    activate();
-  }
-
-  function onRowKey(e: KeyboardEvent) {
-    if (e.key === 'Enter' || e.key === ' ') {
-      e.preventDefault();
-      if (selectMode) toggleOne(track, index);
-      else activate();
-    }
+    if (onPlay) onPlay(tracks, index);
+    else playQueue(tracks, index);
   }
 
   function onCheckboxClick(e: MouseEvent) {
@@ -57,43 +55,31 @@
     if (e.shiftKey) selectRange(index, tracks);
     else toggleOne(track, index);
   }
-
-  function onAddClick(e: MouseEvent) {
-    e.stopPropagation();
-    enqueueTrack(track);
-  }
-
-  function onRadioClick(e: MouseEvent) {
-    e.stopPropagation();
-    playRadio(track.id);
-  }
 </script>
 
-<div
-  role="button"
-  tabindex="0"
-  aria-label={track.title}
-  data-selected={isSelected}
-  onclick={onRowClick}
-  onkeydown={onRowKey}
-  class="group grid w-full cursor-pointer grid-cols-[32px_1fr_auto_auto_auto_auto_auto] items-center gap-4 px-3 py-2 text-left text-sm odd:bg-surface/50 hover:bg-surface focus-visible:outline-solid focus-visible:outline-2 focus-visible:outline-accent {isCurrent ? 'border-l-2 border-l-accent bg-surface-hover' : ''} {isSelected ? 'bg-surface-hover' : ''}"
+<TrackListRow
+  title={track.title}
+  {subtitle}
+  durationSec={track.duration_sec}
+  {track}
+  ariaLabel={track.title}
+  {isSelected}
+  onActivate={activate}
 >
-  <span class="relative flex h-6 w-8 items-center justify-end">
-    <!-- Track number: visible by default; hidden when the row is hovered
-         (so the checkbox replaces it) or when this row is selected. -->
+  {#snippet lead()}
+    <!-- Track number by default; the checkbox replaces it on hover, in
+         selection mode, or when this row is selected. -->
     <span
       class="tabular-nums text-text-secondary
              {selectMode || isSelected ? 'hidden' : 'group-hover:hidden'}"
     >{track.track_number ?? '—'}</span>
-    <!-- Checkbox: hidden by default; revealed on row hover OR whenever
-         the selection bar is active OR this row is the selected one. -->
     <button
       type="button"
       role="checkbox"
       aria-checked={isSelected}
       aria-label={isSelected ? `Deselect ${track.title}` : `Select ${track.title}`}
       onclick={onCheckboxClick}
-      class="flex h-5 w-5 items-center justify-center rounded border
+      class="h-5 w-5 items-center justify-center rounded border
              {isSelected
                ? 'border-accent bg-accent text-text-primary'
                : 'border-border bg-surface text-transparent'}
@@ -101,25 +87,5 @@
     >
       <Check size={14} strokeWidth={2} />
     </button>
-  </span>
-  <span class="truncate">{track.title}</span>
-  <LikeButton entityType="track" entityId={track.id} />
-  <button
-    type="button"
-    aria-label="Play radio from this track"
-    title="Play radio"
-    onclick={onRadioClick}
-    class="rounded p-1 text-text-secondary hover:text-text-primary"
-  >📻</button>
-  <button
-    type="button"
-    aria-label={`Add ${track.title} to queue`}
-    title="Add to queue"
-    onclick={onAddClick}
-    class="rounded p-1 text-text-secondary hover:text-text-primary"
-  >
-    <Plus size={16} strokeWidth={1} />
-  </button>
-  <TrackMenu {track} />
-  <span class="tabular-nums text-text-secondary">{formatDuration(track.duration_sec)}</span>
-</div>
+  {/snippet}
+</TrackListRow>

web/src/lib/components/queue-row-math.ts

@@ -1,7 +1,8 @@
 // Translate a vertical drag offset (px) into an integer row-delta,
-// given the measured row height (px). Used by QueueTrackRow when a
-// neodrag drop completes — we round to the nearest row boundary so
-// the user's drop intent maps to a clean queue index.
+// given the measured row height (px). Used by reorderDrag both to snap
+// the row while it is dragged and to report where it was dropped — it
+// rounds to the nearest row boundary, so the slot the row shows is the
+// slot it lands in.
 export function offsetToDelta(offsetY: number, rowHeight: number): number {
   if (rowHeight <= 0) return 0;
   // `|| 0` normalizes -0 to +0. Math.round(-0.5) === -0; downstream

web/src/lib/components/reorder-drag.test.ts

@@ -0,0 +1,85 @@
+import { afterEach, describe, expect, test, vi } from 'vitest';
+import { reorderDrag } from './reorder-drag';
+
+// jsdom lays nothing out, so the row and its list get explicit geometry:
+// a 560px list of 56px rows. neodrag divides by offsetWidth / rect.width
+// to undo CSS scaling, so offsetWidth has to agree with the rect.
+function rect(height: number): DOMRect {
+  return {
+    top: 0, left: 0, right: 300, bottom: height, width: 300, height,
+    x: 0, y: 0, toJSON: () => ({})
+  } as DOMRect;
+}
+
+function mount() {
+  const list = document.createElement('div');
+  const row = document.createElement('div');
+  const handle = document.createElement('button');
+  handle.setAttribute('data-reorder-handle', '');
+  row.appendChild(handle);
+  list.appendChild(row);
+  document.body.appendChild(list);
+  list.getBoundingClientRect = () => rect(560);
+  row.getBoundingClientRect = () => rect(56);
+  Object.defineProperty(row, 'offsetWidth', { value: 300 });
+  return { list, row, handle };
+}
+
+function pointer(target: EventTarget, type: string, clientY: number) {
+  target.dispatchEvent(new MouseEvent(type, { bubbles: true, clientX: 10, clientY, button: 0 }));
+}
+
+afterEach(() => {
+  document.body.innerHTML = '';
+});
+
+describe('reorderDrag', () => {
+  test('a drag past half a row moves one slot, and the row lands back in place', () => {
+    const { row } = mount();
+    const onMove = vi.fn();
+    const action = reorderDrag(row, { onMove });
+
+    pointer(row, 'pointerdown', 10);
+    pointer(row, 'pointermove', 40);
+    // 30px of a 56px row snaps to the next slot while dragging.
+    expect(row.style.transform).toContain('56px');
+    pointer(row, 'pointerup', 40);
+
+    expect(onMove).toHaveBeenCalledWith(1);
+    expect(row.style.transform).not.toContain('56px');
+    action.destroy();
+  });
+
+  test('a drag of under half a row stays in its slot and reports nothing', () => {
+    const { row } = mount();
+    const onMove = vi.fn();
+    const action = reorderDrag(row, { onMove });
+
+    pointer(row, 'pointerdown', 10);
+    pointer(row, 'pointermove', 30);
+    pointer(row, 'pointerup', 30);
+
+    expect(onMove).not.toHaveBeenCalled();
+    action.destroy();
+  });
+
+  test('with a handle, only the handle starts a drag and takes the touch gesture', () => {
+    const { row, handle } = mount();
+    const onMove = vi.fn();
+    const action = reorderDrag(row, { handle: '[data-reorder-handle]', onMove });
+
+    expect(row.style.touchAction).toBe('');
+    expect(handle.style.touchAction).toBe('none');
+
+    pointer(row, 'pointerdown', 10);
+    pointer(row, 'pointermove', 80);
+    pointer(row, 'pointerup', 80);
+    expect(onMove).not.toHaveBeenCalled();
+
+    pointer(handle, 'pointerdown', 10);
+    pointer(handle, 'pointermove', 80);
+    pointer(handle, 'pointerup', 80);
+    expect(onMove).toHaveBeenCalledWith(1);
+    action.destroy();
+  });
+});

web/src/lib/components/reorder-drag.ts

@@ -0,0 +1,98 @@
+// Drag-to-reorder for a row in a vertical list, shared by the playlist and
+// queue rows (#5393). Wraps @neodrag/svelte with the three things a list
+// needs that neodrag does not do on its own:
+//
+// - The row moves in whole-row steps, so it visibly snaps into the slot it
+//   will land in. neodrag's own `grid` rounds with Math.ceil, which jumps a
+//   full row down on a 1px drag but needs a full row to move up, so the
+//   snapping is done here in `transform` with offsetToDelta's rounding.
+// - The row goes back to translate 0 on drop. Left uncontrolled, neodrag
+//   keeps the drop offset, and once the list re-renders in its new order
+//   that offset leaves the row sitting between two slots.
+// - Only the handle takes the touch gesture. neodrag sets touch-action:none
+//   on the whole node, which stops a touch screen scrolling the list from
+//   any row it is dragged from; with a handle, the row scrolls normally.
+
+import { draggable, type DragOptions } from '@neodrag/svelte';
+import { offsetToDelta } from './queue-row-math';
+
+export type ReorderDragOptions = {
+  disabled?: boolean;
+  /** Selector for the drag handle inside the row. Omit to drag from anywhere. */
+  handle?: string;
+  /** Called on drop with the whole number of rows moved (never 0). */
+  onMove: (delta: number) => void;
+};
+
+const FALLBACK_ROW_HEIGHT = 56;
+
+export function reorderDrag(node: HTMLElement, initial: ReorderDragOptions | null) {
+  let opts = initial;
+  let rowHeight = FALLBACK_ROW_HEIGHT;
+  let instance: ReturnType<typeof draggable> | null = null;
+
+  function handleEl(): HTMLElement | undefined {
+    if (!opts?.handle) return undefined;
+    return node.querySelector<HTMLElement>(opts.handle) ?? undefined;
+  }
+
+  function build(): DragOptions {
+    return {
+      axis: 'y',
+      bounds: 'parent',
+      disabled: opts?.disabled ?? false,
+      handle: handleEl(),
+      // Controlled at {0, 0}: every update() puts the row back in its slot.
+      position: { x: 0, y: 0 },
+      transform: ({ offsetY }) =>
+        `translate3d(0, ${offsetToDelta(offsetY, rowHeight) * rowHeight}px, 0)`,
+      onDragStart: ({ rootNode }) => {
+        const h = rootNode.getBoundingClientRect().height;
+        if (h > 0) rowHeight = h;
+      },
+      onDragEnd: ({ offsetY }) => {
+        const delta = offsetToDelta(offsetY, rowHeight);
+        instance?.update?.(build());
+        if (delta !== 0) opts?.onMove(delta);
+      }
+    };
+  }
+
+  function touchToHandle() {
+    const handle = handleEl();
+    if (!handle) return;
+    node.style.touchAction = '';
+    handle.style.touchAction = 'none';
+  }
+
+  function attach() {
+    if (!opts || instance) return;
+    instance = draggable(node, build());
+    touchToHandle();
+  }
+
+  attach();
+
+  return {
+    update(next: ReorderDragOptions | null) {
+      opts = next;
+      if (!opts) {
+        instance?.destroy?.();
+        instance = null;
+        node.style.touchAction = '';
+        node.style.transform = '';
+        return;
+      }
+      if (instance) {
+        instance.update?.(build());
+        touchToHandle();
+      } else {
+        attach();
+      }
+    },
+    destroy() {
+      instance?.destroy?.();
+      instance = null;
+    }
+  };
+}

web/src/lib/utils/shuffle.ts

@@ -0,0 +1,14 @@
+/**
+ * A shuffled copy of `items` (Fisher–Yates). The input is not touched.
+ *
+ * The one copy for every Shuffle control: the album and playlist headers
+ * and the artist card's play button each had their own before this.
+ */
+export function shuffled<T>(items: readonly T[]): T[] {
+  const arr = items.slice();
+  for (let i = arr.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [arr[i], arr[j]] = [arr[j], arr[i]];
+  }
+  return arr;
+}

web/src/routes/albums/[id]/+page.svelte

@@ -1,16 +1,18 @@
 <script lang="ts">
-  import { Play, Shuffle } from 'lucide-svelte';
+  import PageColumn from '#lib/components/PageColumn.svelte';
   import { page } from '$app/state';
   import { createAlbumQuery } from '#lib/api/queries.js';
   import { qk } from '#lib/api/queries.js';
   import { pageTitle } from '#lib/branding.js';
   import TrackRow from '#lib/components/TrackRow.svelte';
+  import TrackList from '#lib/components/TrackList.svelte';
+  import CollectionHeader from '#lib/components/CollectionHeader.svelte';
+  import { shuffled } from '#lib/utils/shuffle.js';
   import LibrarySkeleton from '#lib/components/LibrarySkeleton.svelte';
   import ApiErrorBanner from '#lib/components/ApiErrorBanner.svelte';
   import LikeButton from '#lib/components/LikeButton.svelte';
   import { useDelayed } from '#lib/utils/useDelayed.svelte.js';
   import { formatDuration } from '#lib/media/duration.js';
-  import { FALLBACK_COVER } from '#lib/media/covers.js';
   import type { ApiError } from '#lib/api/client.js';
   import { playQueue } from '#lib/player/store.svelte.js';
   import { user } from '#lib/auth/store.svelte.js';
@@ -27,21 +29,8 @@
     query.isError && (query.error as unknown as ApiError | undefined)?.code === 'not_found'
   );
 
-  function onCoverError(e: Event) {
-    (e.currentTarget as HTMLImageElement).src = FALLBACK_COVER;
-  }
-
   let isStartingPlay = $state(false);
 
-  function shuffleArr<T>(items: T[]): T[] {
-    const arr = items.slice();
-    for (let i = arr.length - 1; i > 0; i--) {
-      const j = Math.floor(Math.random() * (i + 1));
-      [arr[i], arr[j]] = [arr[j], arr[i]];
-    }
-    return arr;
-  }
-
   function onPlay() {
     const data = query.data;
     if (isStartingPlay || !data || data.tracks.length === 0) return;
@@ -58,7 +47,7 @@
     if (isStartingPlay || !data || data.tracks.length === 0) return;
     isStartingPlay = true;
     try {
-      playQueue(shuffleArr(data.tracks), 0);
+      playQueue(shuffled(data.tracks), 0);
     } finally {
       isStartingPlay = false;
     }
@@ -91,7 +80,7 @@
   <title>{pageTitle(query.data?.title ? `Album · ${query.data.title}` : 'Album')}</title>
 </svelte:head>
 
-<div class="space-y-6">
+<PageColumn>
   {#if notFound}
     <div role="alert" class="rounded border border-border bg-surface p-4">
       <p>Album not found.</p>
@@ -110,100 +99,77 @@
       ← {album.artist_name}
     </a>
 
-    <header class="flex flex-col gap-4 md:flex-row md:items-end">
-      <img
-        src={album.cover_url}
-        alt={album.title}
-        class="h-60 w-60 rounded object-cover"
-        loading="lazy"
-        onerror={onCoverError}
-      />
-      <div class="flex-1 space-y-2">
-        <div class="flex items-center gap-3">
-          <h1 class="font-display text-2xl font-medium text-text-primary">{album.title}</h1>
-          <LikeButton entityType="album" entityId={album.id} size="lg" />
-        </div>
-        <p>
-          <a href={`/artists/${album.artist_id}`} class="hover:underline">{album.artist_name}</a>
+    <CollectionHeader
+      title={album.title}
+      coverUrl={album.cover_url}
+      coverAlt={album.title}
+      playDisabled={isStartingPlay || album.tracks.length === 0}
+      {onPlay}
+      {onShuffle}
+    >
+      {#snippet titleExtra()}
+        <LikeButton entityType="album" entityId={album.id} size="lg" />
+      {/snippet}
+      <p>
+        <a href={`/artists/${album.artist_id}`} class="hover:underline">{album.artist_name}</a>
+      </p>
+      <!-- Year and genre are quick-jumps into the browse axes (#367): from
+           an album you like, one click to everything else from that year or
+           in that genre. -->
+      {#if album.year}
+        <p class="text-sm">
+          <a href={`/library/years?y=${album.year}`} class="text-accent-fg hover:underline">
+            {album.year}
+          </a>
         </p>
-        <!-- Year and genre are quick-jumps into the browse axes (#367): from
-             an album you like, one click to everything else from that year or
-             in that genre. -->
-        {#if album.year}
-          <p class="text-sm">
-            <a href={`/library/years?y=${album.year}`} class="text-accent-fg hover:underline">
-              {album.year}
-            </a>
-          </p>
-        {/if}
-        {#if album.genres?.length}
-          <ul class="flex flex-wrap gap-1.5">
-            {#each album.genres as genre (genre)}
-              <li>
-                <a
-                  href={`/library/genres?g=${encodeURIComponent(genre)}`}
-                  class="inline-block rounded-full border border-border px-2.5 py-0.5 text-xs
-                         text-text-secondary hover:bg-surface-hover hover:text-text-primary
-                         focus-visible:ring-2 focus-visible:ring-accent"
-                >
-                  {genre}
-                </a>
-              </li>
-            {/each}
-          </ul>
-        {/if}
-        <p class="text-sm text-text-secondary">
-          {album.track_count} {album.track_count === 1 ? 'track' : 'tracks'}
-          · {formatDuration(album.duration_sec)}
-        </p>
-        <div class="flex items-center gap-2 pt-2">
+      {/if}
+      {#if album.genres?.length}
+        <ul class="flex flex-wrap gap-1.5">
+          {#each album.genres as genre (genre)}
+            <li>
+              <a
+                href={`/library/genres?g=${encodeURIComponent(genre)}`}
+                class="inline-block rounded-full border border-border px-2.5 py-0.5 text-xs
+                       text-text-secondary hover:bg-surface-hover hover:text-text-primary
+                       focus-visible:ring-2 focus-visible:ring-accent"
+              >
+                {genre}
+              </a>
+            </li>
+          {/each}
+        </ul>
+      {/if}
+      <p class="text-sm text-text-secondary">
+        {album.track_count} {album.track_count === 1 ? 'track' : 'tracks'}
+        · {formatDuration(album.duration_sec)}
+      </p>
+      {#snippet actions()}
+        {#if isAdmin}
           <button
             type="button"
-            aria-label={`Play ${album.title}`}
-            onclick={onPlay}
-            disabled={isStartingPlay || album.tracks.length === 0}
-            class="flex items-center gap-2 rounded-md bg-accent px-4 py-2 text-sm font-medium text-text-primary hover:opacity-90 focus-visible:ring-2 focus-visible:ring-accent disabled:opacity-50"
+            onclick={onRefetchCover}
+            disabled={refetching}
+            aria-label={`Refetch cover for ${album.title}`}
+            title={album.cover_art_source === 'none' ? 'No cover found previously — try again' : 'Refetch from MusicBrainz'}
+            class="flex items-center gap-2 rounded-md border border-border bg-surface px-3 py-2 text-sm font-medium text-text-secondary hover:border-accent disabled:opacity-50"
           >
-            <Play size={16} strokeWidth={1.5} fill="currentColor" />
-            Play
+            Refetch cover
           </button>
-          <button
-            type="button"
-            aria-label={`Shuffle ${album.title}`}
-            onclick={onShuffle}
-            disabled={isStartingPlay || album.tracks.length === 0}
-            class="flex items-center gap-2 rounded-md border border-border bg-surface px-4 py-2 text-sm font-medium text-text-primary hover:border-accent focus-visible:ring-2 focus-visible:ring-accent disabled:opacity-50"
-          >
-            <Shuffle size={16} strokeWidth={1.5} />
-            Shuffle
-          </button>
-          {#if isAdmin}
-            <button
-              type="button"
-              onclick={onRefetchCover}
-              disabled={refetching}
-              aria-label={`Refetch cover for ${album.title}`}
-              title={album.cover_art_source === 'none' ? 'No cover found previously — try again' : 'Refetch from MusicBrainz'}
-              class="flex items-center gap-2 rounded-md border border-border bg-surface px-3 py-2 text-sm font-medium text-text-secondary hover:border-accent disabled:opacity-50"
-            >
-              Refetch cover
-            </button>
-          {/if}
-          {#if refetchError}
-            <span class="text-sm text-oxblood">{refetchError}</span>
-          {/if}
-        </div>
-      </div>
-    </header>
+        {/if}
+        {#if refetchError}
+          <span class="text-sm text-error-fg">{refetchError}</span>
+        {/if}
+      {/snippet}
+    </CollectionHeader>
 
     {#if album.tracks.length === 0}
       <p class="text-text-secondary">This album has no tracks.</p>
     {:else}
-      <div class="overflow-hidden rounded border border-border">
+      <TrackList>
         {#each album.tracks as track, i (track.id)}
-          <TrackRow tracks={album.tracks} index={i} />
+          <TrackRow tracks={album.tracks} index={i} showAlbum={false} />
         {/each}
-      </div>
+      </TrackList>
     {/if}
   {/if}
-</div>
+</PageColumn>

web/src/routes/artists/[id]/+page.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
-  import { Play } from 'lucide-svelte';
+  import PlayActions from '#lib/components/PlayActions.svelte';
+  import { shuffled } from '#lib/utils/shuffle.js';
   import { page } from '$app/state';
   import {
     createArtistQuery,
@@ -36,31 +37,25 @@
     query.isError && (query.error as unknown as ApiError | undefined)?.code === 'not_found'
   );
 
-  // Mirrors ArtistCard's play overlay: fetch every track for the artist
-  // (server already honours per-user lidarr_quarantine), shuffle client-side,
-  // start the queue. Bypassed when the artist has nothing to play.
-  function shuffle<T>(items: T[]): T[] {
-    const arr = items.slice();
-    for (let i = arr.length - 1; i > 0; i--) {
-      const j = Math.floor(Math.random() * (i + 1));
-      [arr[i], arr[j]] = [arr[j], arr[i]];
-    }
-    return arr;
-  }
-
+  // Fetch every track for the artist (the server already honours per-user
+  // lidarr_quarantine) and start the queue, in the server's order for Play
+  // and shuffled for Shuffle. Bypassed when the artist has nothing to play.
   let isStartingPlay = $state(false);
 
-  async function onPlay() {
+  async function start(order: (tracks: TrackRef[]) => TrackRef[]) {
     if (isStartingPlay || !id) return;
     isStartingPlay = true;
     try {
       const tracks = await api.get<TrackRef[]>(`/api/artists/${id}/tracks`);
       if (tracks.length === 0) return;
-      playQueue(shuffle(tracks), 0);
+      playQueue(order(tracks), 0);
     } finally {
       isStartingPlay = false;
     }
   }
+
+  const onPlay = () => start((tracks) => tracks);
+  const onShuffle = () => start(shuffled);
 </script>
 
 <svelte:head>
@@ -108,16 +103,15 @@
             {/each}
           </ul>
         {/if}
+        <div class="mt-3">
+          <PlayActions
+            name={detail.name}
+            disabled={isStartingPlay || detail.album_count === 0}
+            {onPlay}
+            {onShuffle}
+          />
+        </div>
       </div>
-      <button
-        type="button"
-        aria-label={`Play ${detail.name}`}
-        onclick={onPlay}
-        disabled={isStartingPlay || detail.album_count === 0}
-        class="flex h-12 w-12 items-center justify-center rounded-full bg-accent text-text-primary shadow-sm transition-transform hover:scale-105 focus-visible:ring-2 focus-visible:ring-accent disabled:opacity-50 disabled:hover:scale-100"
-      >
-        <Play size={24} strokeWidth={1.5} fill="currentColor" class="ml-0.5" />
-      </button>
     </header>
 
     {#if detail.albums.length === 0}

web/src/routes/artists/[id]/artist.test.ts

@@ -1,8 +1,10 @@
 import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest';
-import { render, screen } from '@testing-library/svelte';
+import { render, screen, fireEvent, waitFor } from '@testing-library/svelte';
 import { flushSync } from 'svelte';
 import { mockQuery } from '../../../test-utils/query';
 import { emptyLikesMock } from '../../../test-utils/mocks/likes';
+import { apiClientMock } from '../../../test-utils/mocks/client';
+import { makeTracks } from '#test-utils/fixtures/track.js';
 import type { ArtistDetail, AlbumRef } from '#lib/api/types.js';
 
 const state = vi.hoisted(() => ({ pageParams: { id: 'abc' } as Record<string, string> }));
@@ -23,7 +25,20 @@ vi.mock('#lib/api/queries.js', () => ({
 
 vi.mock('#lib/api/likes.js', () => emptyLikesMock());
 
+vi.mock('#lib/api/client.js', () => apiClientMock());
+
+vi.mock('#lib/player/store.svelte.js', () => ({
+  playQueue: vi.fn(),
+  enqueueTrack: vi.fn(),
+  enqueueTracks: vi.fn(),
+  playRadio: vi.fn(),
+  playNext: vi.fn(),
+  player: { current: undefined }
+}));
+
 import ArtistPage from './+page.svelte';
+import { api } from '#lib/api/client.js';
+import { playQueue } from '#lib/player/store.svelte.js';
 import {
   createArtistQuery,
   createSimilarArtistsQuery,
@@ -132,4 +147,33 @@ describe('artist detail page', () => {
       vi.useRealTimers();
     }
   });
+
+  // Play and Shuffle are the shared PlayActions (milestone 494). Play keeps
+  // the server's order; before, the artist's only button was "Play" and it
+  // shuffled.
+  describe('Play and Shuffle', () => {
+    const detail: ArtistDetail = {
+      id: 'abc', name: 'Alice', sort_name: 'Alice', album_count: 1, cover_url: '',
+      albums: [album('a1', 'First', 2020)], genres: []
+    };
+    const tracks = makeTracks(5);
+
+    test('Play queues the artist in the server order', async () => {
+      (createArtistQuery as ReturnType<typeof vi.fn>).mockReturnValue(mockQuery({ data: detail }));
+      (api.get as ReturnType<typeof vi.fn>).mockResolvedValue(tracks);
+      render(ArtistPage);
+      await fireEvent.click(screen.getByRole('button', { name: 'Play Alice' }));
+      await waitFor(() => expect(playQueue).toHaveBeenCalledWith(tracks, 0));
+    });
+
+    test('Shuffle queues every track', async () => {
+      (createArtistQuery as ReturnType<typeof vi.fn>).mockReturnValue(mockQuery({ data: detail }));
+      (api.get as ReturnType<typeof vi.fn>).mockResolvedValue(tracks);
+      render(ArtistPage);
+      await fireEvent.click(screen.getByRole('button', { name: 'Shuffle Alice' }));
+      await waitFor(() => expect(playQueue).toHaveBeenCalled());
+      const [queued] = (playQueue as ReturnType<typeof vi.fn>).mock.calls[0];
+      expect(queued.map((t: { id: string }) => t.id).sort()).toEqual(tracks.map((t) => t.id).sort());
+    });
+  });
 });

web/src/routes/library/history/+page.svelte

@@ -1,8 +1,10 @@
 <script lang="ts">
+  import PageColumn from '#lib/components/PageColumn.svelte';
   import { pageTitle } from '#lib/branding.js';
   import { createHistoryQuery } from '#lib/api/history.js';
   import { groupByDay } from '#lib/utils/dayGroup.js';
   import HistoryRow from '#lib/components/HistoryRow.svelte';
+  import TrackList from '#lib/components/TrackList.svelte';
   import InfiniteScrollSentinel from '#lib/components/InfiniteScrollSentinel.svelte';
   import LibrarySkeleton from '#lib/components/LibrarySkeleton.svelte';
   import ApiErrorBanner from '#lib/components/ApiErrorBanner.svelte';
@@ -28,7 +30,7 @@
 
 <svelte:head><title>{pageTitle('Library · History')}</title></svelte:head>
 
-<div class="space-y-4">
+<PageColumn>
   <header class="flex flex-wrap items-end justify-between gap-3">
     <h1 class="font-display text-2xl font-medium text-text-primary">History</h1>
     {#if flatEvents.length > 0}
@@ -62,11 +64,11 @@
         <h2 class="sticky top-0 z-10 mb-2 bg-background py-1 text-lg font-medium text-text-secondary">
           {group.label}
         </h2>
-        <div class="divide-y divide-border">
+        <TrackList>
           {#each group.events as event (event.id)}
             <HistoryRow {event} />
           {/each}
-        </div>
+        </TrackList>
       </section>
     {/each}
 
@@ -82,4 +84,4 @@
       <p class="py-2 text-center text-sm text-text-secondary">End of history</p>
     {/if}
   {/if}
-</div>
+</PageColumn>

web/src/routes/library/history/page.test.ts

@@ -1,8 +1,9 @@
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 import { render, screen } from '@testing-library/svelte';
-import HistoryPage from './+page.svelte';
 import type { HistoryEvent, HistoryResponse } from '#lib/api/history.js';
 import { makeTrack } from '#test-utils/fixtures/track.js';
+import { emptyLikesMock } from '../../../test-utils/mocks/likes';
+import { emptyQuarantineMock } from '../../../test-utils/mocks/quarantine';
 
 const mkTrack = (id: string) => makeTrack({ id: `track-${id}`, title: `Song ${id}` });
 
@@ -44,14 +45,27 @@ vi.mock('#lib/api/history.js', async () => {
   };
 });
 
+// Rows are TrackListRows, so LikeButton and TrackMenu render too.
 vi.mock('#lib/player/store.svelte.js', () => ({
-  playQueue: vi.fn()
+  playQueue: vi.fn(),
+  playNext: vi.fn(),
+  enqueueTrack: vi.fn(),
+  playRadio: vi.fn(),
+  player: { current: undefined }
 }));
 
+vi.mock('#lib/api/likes.js', () => emptyLikesMock());
+
+vi.mock('#lib/api/quarantine.js', () => emptyQuarantineMock());
+
 vi.mock('#lib/branding.js', () => ({
   pageTitle: (s: string) => `Minstrel · ${s}`
 }));
 
+// Imported after the mocks: the component pulls in LikeButton, whose
+// mocked module must already be initialised.
+import HistoryPage from './+page.svelte';
+
 describe('library/history page', () => {
   beforeEach(() => {
     mockData = { pages: [] };

web/src/routes/library/liked/+page.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+  import PageColumn from '#lib/components/PageColumn.svelte';
   import { pageTitle } from '#lib/branding.js';
   import {
     createLikedTracksInfiniteQuery,
@@ -8,6 +9,7 @@
   import ArtistCard from '#lib/components/ArtistCard.svelte';
   import AlbumCard from '#lib/components/AlbumCard.svelte';
   import TrackRow from '#lib/components/TrackRow.svelte';
+  import TrackList from '#lib/components/TrackList.svelte';
   import QuickFilter from '#lib/components/QuickFilter.svelte';
   import EmptyState from '#lib/components/EmptyState.svelte';
 
@@ -49,7 +51,7 @@
 
 <svelte:head><title>{pageTitle('Library · Liked')}</title></svelte:head>
 
-<div class="space-y-6">
+<PageColumn>
   <header class="flex flex-wrap items-end justify-between gap-3">
     <h1 class="text-2xl font-semibold">Liked</h1>
     {#if artists.length + albums.length + tracks.length > 0}
@@ -157,11 +159,11 @@
         {/snippet}
       </EmptyState>
     {:else}
-      <div class="overflow-hidden rounded border border-border">
+      <TrackList>
         {#each fTracks as t, i (t.id)}
           <TrackRow tracks={fTracks} index={i} />
         {/each}
-      </div>
+      </TrackList>
       {#if tracksQuery?.hasNextPage}
         <button
           type="button"
@@ -175,4 +177,4 @@
     {/if}
   </section>
   {/if}
-</div>
+</PageColumn>

web/src/routes/library/liked/liked.test.ts

@@ -21,7 +21,7 @@ vi.mock('#lib/api/likes.js', () => ({
 
 vi.mock('#lib/api/client.js', () => apiClientMock());
 vi.mock('#lib/player/store.svelte.js', () => ({
-  playQueue: vi.fn(), enqueueTrack: vi.fn(), enqueueTracks: vi.fn(),
+  playQueue: vi.fn(), enqueueTrack: vi.fn(), enqueueTracks: vi.fn(), playRadio: vi.fn(),
   player: { current: undefined }
 }));
 

web/src/routes/playlists/[id]/+page.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+  import PageColumn from '#lib/components/PageColumn.svelte';
   import { page } from '$app/state';
   import { goto } from '$app/navigation';
   import { untrack } from 'svelte';
@@ -6,6 +7,10 @@
   import { Pencil, Trash2, Link as LinkIcon } from 'lucide-svelte';
   import { useQueryClient } from '@tanstack/svelte-query';
   import PlaylistTrackRow from '#lib/components/PlaylistTrackRow.svelte';
+  import TrackList from '#lib/components/TrackList.svelte';
+  import CollectionHeader from '#lib/components/CollectionHeader.svelte';
+  import { playlistTrackToRef } from '#lib/playlists/playlistTrackToRef.js';
+  import { shuffled } from '#lib/utils/shuffle.js';
   import ApiErrorBanner from '#lib/components/ApiErrorBanner.svelte';
   import {
     createPlaylistQuery,
@@ -23,7 +28,7 @@
   import { systemPlaylistRefetch } from '#lib/playlists/systemRefetch.js';
   import { systemRebuilt } from '#lib/serverEvents.svelte.js';
   import { pushToast } from '#lib/stores/toast.svelte.js';
-  import type { TrackRef } from '#lib/api/types.js';
+  import type { PlaylistDetail, TrackRef } from '#lib/api/types.js';
 
   // SvelteKit types page.params.id as string | undefined (the route
   // could in principle render with the slot empty); empty-string fallback
@@ -45,12 +50,23 @@
     const cur = tracks.map((t) => t.position);
     const moved = cur.splice(fromPos, 1)[0];
     cur.splice(clamped, 0, moved);
+    // Show the new order on drop rather than after the round trip, so the
+    // dragged row lands in its slot at once (#5393). Positions are
+    // renumbered the way the server renumbers them; the invalidate below
+    // replaces this with the server's copy either way.
+    const previous = playlistQuery.data;
+    const byPosition = new Map(tracks.map((t) => [t.position, t]));
+    queryClient.setQueryData<PlaylistDetail>(qk.playlist(id), {
+      ...previous,
+      tracks: cur.map((pos, i) => ({ ...byPosition.get(pos)!, position: i }))
+    });
     try {
       await reorderPlaylist(id, cur);
-      await queryClient.invalidateQueries({ queryKey: qk.playlist(id) });
     } catch (e: unknown) {
+      queryClient.setQueryData(qk.playlist(id), previous);
       alert(errMessage(e));
     }
+    await queryClient.invalidateQueries({ queryKey: qk.playlist(id) });
   }
 
   async function onRemove(position: number) {
@@ -63,23 +79,30 @@
     }
   }
 
-  function onPlay(position: number) {
-    if (!playlistQuery?.data) return;
-    const data = playlistQuery.data;
-    // Skip rows where track_id is null (track was removed from library).
-    const live = data.tracks.filter((t) => t.track_id !== null).map(toTrackRef);
-    // Find which `live` index corresponds to the clicked position. Some
-    // positions in the original list may be unavailable (filtered out),
-    // so the index in the playable list != the playlist position.
-    const clickedTrackID = data.tracks.find((t) => t.position === position)?.track_id;
-    const startIdx = live.findIndex((t) => t.id === clickedTrackID);
+  // Every entry that can be played, in playlist order. playlistTrackToRef
+  // drops both kinds of dead entry, removed tracks and missing files
+  // (#2527), so neither is ever queued.
+  function playable(data: PlaylistDetail): { refs: TrackRef[]; positions: number[] } {
+    const refs: TrackRef[] = [];
+    const positions: number[] = [];
+    for (const row of data.tracks) {
+      const ref = playlistTrackToRef(row);
+      if (ref) {
+        refs.push(ref);
+        positions.push(row.position);
+      }
+    }
+    return { refs, positions };
+  }
+
+  function startQueue(data: PlaylistDetail, tracks: TrackRef[], startIdx: number) {
     // #968: a system playlist played from its detail page is tagged with its
     // source (so play_started advances the rotation, matching the home tile and
     // the Android detail screen) and gets the self-heal closure so a stale
     // snapshot re-pulls on total failure.
     const variant = data.system_variant;
     if (variant != null) {
-      playQueue(live, Math.max(0, startIdx), {
+      playQueue(tracks, Math.max(0, startIdx), {
         source: variant,
         refetch: systemPlaylistRefetch({
           variant,
@@ -88,30 +111,25 @@
         })
       });
     } else {
-      playQueue(live, Math.max(0, startIdx));
+      playQueue(tracks, Math.max(0, startIdx));
     }
   }
 
-  function toTrackRef(t: {
-    track_id: string | null;
-    album_id: string | null;
-    artist_id: string | null;
-    title: string;
-    album_title: string;
-    artist_name: string;
-    duration_sec: number;
-    stream_url: string | null;
-  }): TrackRef {
-    return {
-      id: t.track_id!,
-      title: t.title,
-      album_id: t.album_id ?? '',
-      album_title: t.album_title,
-      artist_id: t.artist_id ?? '',
-      artist_name: t.artist_name,
-      duration_sec: t.duration_sec,
-      stream_url: t.stream_url ?? ''
-    } as unknown as TrackRef;
+  function onPlay(position: number) {
+    if (!playlistQuery?.data) return;
+    const data = playlistQuery.data;
+    const { refs, positions } = playable(data);
+    startQueue(data, refs, positions.indexOf(position));
+  }
+
+  function onPlayAll() {
+    if (!playlistQuery?.data) return;
+    startQueue(playlistQuery.data, playable(playlistQuery.data).refs, 0);
+  }
+
+  function onShuffle() {
+    if (!playlistQuery?.data) return;
+    startQueue(playlistQuery.data, shuffled(playable(playlistQuery.data).refs), 0);
   }
 
   let editing = $state(false);
@@ -217,7 +235,7 @@
   <title>{pageTitle(playlistQuery?.data?.name ? `Playlist · ${playlistQuery.data.name}` : 'Playlist')}</title>
 </svelte:head>
 
-<div class="mx-auto max-w-4xl px-4 py-6">
+<PageColumn>
   {#if playlistQuery?.isPending}
     <p class="text-text-muted">Loading…</p>
   {:else if playlistQuery?.isError}
@@ -243,64 +261,64 @@
       </div>
     {/if}
     {#if !editing}
-      <header class="mb-6 flex items-start gap-4">
-        <div class="h-32 w-32 shrink-0 overflow-hidden rounded-md bg-surface-hover">
-          {#if pl.cover_url}
-            <img src={pl.cover_url} alt="" class="h-full w-full object-cover" />
+      <CollectionHeader
+        title={pl.name}
+        coverUrl={pl.cover_url}
+        playDisabled={!pl.tracks.some((t) => playlistTrackToRef(t) !== null)}
+        onPlay={onPlayAll}
+        {onShuffle}
+      >
+        {#if pl.description}
+          <p class="text-sm text-text-muted">{pl.description}</p>
+        {/if}
+        <p class="text-xs text-text-muted">
+          {pl.track_count} {pl.track_count === 1 ? 'track' : 'tracks'}
+          {#if pl.is_public}· public{:else}· private{/if}
+          {#if !isOwner}· by {pl.owner_username}{/if}
+        </p>
+        {#snippet tools()}
+          {#if pl.refreshable && pl.system_variant}
+            <button
+              type="button"
+              disabled={refreshingSystem}
+              onclick={() => onRefreshSystem(pl.system_variant as string)}
+              class="rounded-md border border-border px-3 py-1.5 text-sm text-text-muted hover:text-text-primary"
+              aria-label="Refresh playlist"
+            >
+              {refreshingSystem ? 'Refreshing…' : 'Refresh'}
+            </button>
           {/if}
-        </div>
-        <div class="min-w-0 flex-1">
-          <h1 class="truncate text-2xl font-medium text-text-primary">{pl.name}</h1>
-          {#if pl.description}
-            <p class="mt-1 text-sm text-text-muted">{pl.description}</p>
+          {#if isOwner && pl.is_public}
+            <button
+              type="button"
+              onclick={onCopyLink}
+              aria-label="Copy public link to this playlist"
+              title="Copy link"
+              class="rounded p-2 text-text-muted hover:bg-surface-hover hover:text-text-primary"
+            >
+              <LinkIcon size={16} strokeWidth={1} />
+            </button>
           {/if}
-          <p class="mt-2 text-xs text-text-muted">
-            {pl.track_count} {pl.track_count === 1 ? 'track' : 'tracks'}
-            {#if pl.is_public}· public{:else}· private{/if}
-            {#if !isOwner}· by {pl.owner_username}{/if}
-          </p>
-        </div>
-        {#if pl.refreshable && pl.system_variant}
-          <button
-            type="button"
-            disabled={refreshingSystem}
-            onclick={() => onRefreshSystem(pl.system_variant as string)}
-            class="rounded-md border border-border px-3 py-1.5 text-sm text-text-muted hover:text-text-primary"
-            aria-label="Refresh playlist"
-          >
-            {refreshingSystem ? 'Refreshing…' : 'Refresh'}
-          </button>
-        {/if}
-        {#if isOwner && pl.is_public}
-          <button
-            type="button"
-            onclick={onCopyLink}
-            aria-label="Copy public link to this playlist"
-            title="Copy link"
-            class="rounded p-2 text-text-muted hover:bg-surface-hover hover:text-text-primary"
-          >
-            <LinkIcon size={16} strokeWidth={1} />
-          </button>
-        {/if}
-        {#if isOwner}
-          <button
-            type="button"
-            onclick={startEdit}
-            aria-label="Edit playlist"
-            class="rounded p-2 text-text-muted hover:bg-surface-hover hover:text-text-primary"
-          >
-            <Pencil size={16} strokeWidth={1} />
-          </button>
-          <button
-            type="button"
-            onclick={submitDelete}
-            aria-label="Delete playlist"
-            class="rounded p-2 text-text-muted hover:bg-surface-hover hover:text-action-destructive"
-          >
-            <Trash2 size={16} strokeWidth={1} />
-          </button>
-        {/if}
-      </header>
+          {#if isOwner}
+            <button
+              type="button"
+              onclick={startEdit}
+              aria-label="Edit playlist"
+              class="rounded p-2 text-text-muted hover:bg-surface-hover hover:text-text-primary"
+            >
+              <Pencil size={16} strokeWidth={1} />
+            </button>
+            <button
+              type="button"
+              onclick={submitDelete}
+              aria-label="Delete playlist"
+              class="rounded p-2 text-text-muted hover:bg-surface-hover hover:text-action-destructive"
+            >
+              <Trash2 size={16} strokeWidth={1} />
+            </button>
+          {/if}
+        {/snippet}
+      </CollectionHeader>
     {:else}
       <section class="mb-6 rounded-md border border-border bg-surface p-4">
         <label class="block text-sm font-medium text-text-primary">
@@ -342,16 +360,16 @@
       </section>
     {/if}
 
-    <section class="rounded-md border border-border bg-surface">
-      {#if pl.tracks.length === 0}
-        <p class="px-3 py-6 text-sm text-text-muted">
-          {#if isOwner}
-            No tracks yet. Add some via the "Add to playlist…" entry on any track row.
-          {:else}
-            No tracks in this playlist.
-          {/if}
-        </p>
-      {:else}
+    {#if pl.tracks.length === 0}
+      <p class="rounded-md border border-border px-3 py-6 text-sm text-text-muted">
+        {#if isOwner}
+          No tracks yet. Add some via the "Add to playlist…" entry on any track row.
+        {:else}
+          No tracks in this playlist.
+        {/if}
+      </p>
+    {:else}
+      <TrackList>
         {#each pl.tracks as row (row.position)}
           <PlaylistTrackRow
             {row}
@@ -361,7 +379,7 @@
             onMove={onMove}
           />
         {/each}
-      {/if}
-    </section>
+      </TrackList>
+    {/if}
   {/if}
-</div>
+</PageColumn>

web/src/routes/playlists/[id]/playlist.test.ts

@@ -1,4 +1,4 @@
-import { describe, expect, test, vi } from 'vitest';
+import { afterEach, describe, expect, test, vi } from 'vitest';
 import { render, screen, fireEvent, waitFor } from '@testing-library/svelte';
 import { mockQuery } from '../../../test-utils/query';
 import { emptyQuarantineMock } from '../../../test-utils/mocks/quarantine';
@@ -31,6 +31,7 @@ vi.mock('#lib/player/store.svelte.js', () => ({
   enqueueTracks: vi.fn(),
   playNext: vi.fn(),
   enqueueTrack: vi.fn(),
+  playRadio: vi.fn(),
   player: { current: undefined }
 }));
 
@@ -44,6 +45,7 @@ vi.mock('#lib/api/quarantine.js', () => emptyQuarantineMock());
 
 import PlaylistDetailPage from './+page.svelte';
 import { createPlaylistQuery, deletePlaylist, refreshSystem } from '#lib/api/playlists.js';
+import { playQueue } from '#lib/player/store.svelte.js';
 
 const mockedQuery = createPlaylistQuery as ReturnType<typeof vi.fn>;
 
@@ -57,7 +59,45 @@ const ownDetail: PlaylistDetail = {
   ]
 };
 
+afterEach(() => vi.clearAllMocks());
+
 describe('Playlist detail page', () => {
+  // A missing file (#2527) stays in the list but is never queued: the
+  // page used to build its queue with its own converter, which only
+  // skipped removed tracks.
+  test('Play queues every playable entry and skips a missing file', async () => {
+    const withMissing: PlaylistDetail = {
+      ...ownDetail,
+      track_count: 3,
+      tracks: [
+        ...ownDetail.tracks,
+        { ...ownDetail.tracks[1], position: 2, track_id: 't3', title: 'C', stream_url: null, unavailable: true }
+      ]
+    };
+    mockedQuery.mockReturnValue(mockQuery({ data: withMissing }));
+    render(PlaylistDetailPage);
+    await fireEvent.click(screen.getByRole('button', { name: 'Play Mine' }));
+    const [queued, start] = (playQueue as ReturnType<typeof vi.fn>).mock.calls[0];
+    expect(queued.map((t: { id: string }) => t.id)).toEqual(['t1', 't2']);
+    expect(start).toBe(0);
+  });
+
+  test('clicking a row starts the queue at that track', async () => {
+    mockedQuery.mockReturnValue(mockQuery({ data: ownDetail }));
+    render(PlaylistDetailPage);
+    await fireEvent.click(screen.getByText('B'));
+    const [queued, start] = (playQueue as ReturnType<typeof vi.fn>).mock.calls.at(-1)!;
+    expect(queued[start].id).toBe('t2');
+  });
+
+  test('Shuffle queues the same playable entries', async () => {
+    mockedQuery.mockReturnValue(mockQuery({ data: ownDetail }));
+    render(PlaylistDetailPage);
+    await fireEvent.click(screen.getByRole('button', { name: 'Shuffle Mine' }));
+    const [queued] = (playQueue as ReturnType<typeof vi.fn>).mock.calls.at(-1)!;
+    expect(queued.map((t: { id: string }) => t.id).sort()).toEqual(['t1', 't2']);
+  });
+
   test('renders header + tracks for owner', () => {
     mockedQuery.mockReturnValue(mockQuery({ data: ownDetail }));
     render(PlaylistDetailPage);

web/src/routes/search/+page.svelte

@@ -5,6 +5,7 @@
   import ArtistCard from '#lib/components/ArtistCard.svelte';
   import AlbumCard from '#lib/components/AlbumCard.svelte';
   import TrackRow from '#lib/components/TrackRow.svelte';
+  import TrackList from '#lib/components/TrackList.svelte';
   import SearchSkeleton from '#lib/components/SearchSkeleton.svelte';
   import ApiErrorBanner from '#lib/components/ApiErrorBanner.svelte';
   import { useDelayed } from '#lib/utils/useDelayed.svelte.js';
@@ -104,11 +105,11 @@
             </a>
           {/if}
         </header>
-        <div class="overflow-hidden rounded border border-border">
+        <TrackList>
           {#each tracks.items as t, i (t.id)}
             <TrackRow tracks={tracks.items} index={i} onPlay={onTrackPlay} />
           {/each}
-        </div>
+        </TrackList>
       </section>
     {/if}
   {/if}

web/src/routes/search/tracks/+page.svelte

@@ -1,8 +1,10 @@
 <script lang="ts">
+  import PageColumn from '#lib/components/PageColumn.svelte';
   import { pageTitle } from '#lib/branding.js';
   import { page } from '$app/state';
   import { createSearchTracksInfiniteQuery } from '#lib/api/queries.js';
   import TrackRow from '#lib/components/TrackRow.svelte';
+  import TrackList from '#lib/components/TrackList.svelte';
   import LibrarySkeleton from '#lib/components/LibrarySkeleton.svelte';
   import ApiErrorBanner from '#lib/components/ApiErrorBanner.svelte';
   import { useDelayed } from '#lib/utils/useDelayed.svelte.js';
@@ -24,12 +26,12 @@
 
 <svelte:head><title>{pageTitle('Search · Tracks')}</title></svelte:head>
 
-<div class="space-y-4">
+<PageColumn>
   <header>
     <a href={`/search?q=${encodeURIComponent(q)}`} class="text-sm text-text-secondary hover:text-text-primary">
       ← Back to search
     </a>
-    <h1 class="mt-2 text-2xl font-semibold">Tracks matching '{q}'</h1>
+    <h1 class="mt-2 font-display text-2xl font-medium text-text-primary">Tracks matching '{q}'</h1>
     {#if !query?.isPending && !query?.isError && q}
       <p class="text-sm text-text-secondary">{total} {total === 1 ? 'track' : 'tracks'}</p>
     {/if}
@@ -44,11 +46,11 @@
   {:else if total === 0}
     <p class="text-text-secondary">No track matches.</p>
   {:else}
-    <div class="overflow-hidden rounded border border-border">
+    <TrackList>
       {#each tracks as t, i (t.id)}
         <TrackRow tracks={tracks} index={i} onPlay={onTrackPlay} />
       {/each}
-    </div>
+    </TrackList>
     {#if query?.hasNextPage}
       <button
         type="button"
@@ -60,4 +62,4 @@
       </button>
     {/if}
   {/if}
-</div>
+</PageColumn>