refactor(playback): co-locate floating-player-bar + fs-idle-fade hooks (and orphaned playback tests) with their features

src/features/fullscreenPlayer/components/FullscreenPlayerStatic.tsx

@@ -12,7 +12,7 @@ import { useCachedUrl } from '@/ui/CachedImage';
 import { useArtistFanart } from '@/cover/useArtistFanart';
 import { backdropFromConfig } from '@/cover/artistBackdrop';
 import { useThemeStore } from '@/store/themeStore';
-import { useFsIdleFade } from '@/hooks/useFsIdleFade';
+import { useFsIdleFade } from '@/features/fullscreenPlayer/hooks/useFsIdleFade';
 import { useQueueTrackAt } from '@/features/queue';
 import { WaveformSeek } from '@/features/waveform';
 import { FsQueueModal } from '@/features/fullscreenPlayer/components/FsQueueModal';

src/features/playback/components/PlayerBar.tsx

@@ -30,7 +30,7 @@ import { PlayerSeekbarSection } from '@/features/playback/components/playerBar/P
 import { PlayerPlaybackRate } from '@/features/playback/components/playerBar/PlayerPlaybackRate';
 import { PlayerVolume } from '@/features/playback/components/playerBar/PlayerVolume';
 import { PlayerOverflowMenu } from '@/features/playback/components/playerBar/PlayerOverflowMenu';
-import { useFloatingPlayerBar } from '@/hooks/useFloatingPlayerBar';
+import { useFloatingPlayerBar } from '@/features/playback/hooks/useFloatingPlayerBar';
 import { useUtilityOverflowMenu } from '@/hooks/useUtilityOverflowMenu';
 import {
   usePlayerBarLayoutStore,

src/features/playback/hooks/computeFloatingPlayerBarStyle.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import { computeFloatingPlayerBarStyle } from './computeFloatingPlayerBarStyle';
+import { computeFloatingPlayerBarStyle } from '@/features/playback/hooks/computeFloatingPlayerBarStyle';
 
 describe('computeFloatingPlayerBarStyle', () => {
   it('centers in the main column and shrink-wraps instead of stretching', () => {

src/features/playback/hooks/useFloatingPlayerBar.ts

@@ -1,5 +1,5 @@
 import React, { useEffect, useState } from 'react';
-import { computeFloatingPlayerBarStyle } from './computeFloatingPlayerBarStyle';
+import { computeFloatingPlayerBarStyle } from '@/features/playback/hooks/computeFloatingPlayerBarStyle';
 
 /** Computes the floating player-bar position based on the current sidebar +
  *  queue panel widths. Returns an inline-style object (left/right/width); only

src/features/playback/hooks/usePlaybackServerId.test.ts

@@ -1,10 +1,10 @@
 import { renderHook } from '@testing-library/react';
 import { beforeEach, describe, expect, it, vi } from 'vitest';
-import { useAuthStore } from '../store/authStore';
+import { useAuthStore } from '@/store/authStore';
 import { usePlayerStore } from '@/features/playback/store/playerStore';
 import { usePlaybackServerId } from '@/features/playback/hooks/usePlaybackServerId';
 
-vi.mock('../utils/server/switchActiveServer', () => ({
+vi.mock('@/utils/server/switchActiveServer', () => ({
   switchActiveServer: vi.fn(async () => true),
 }));
 
@@ -49,7 +49,7 @@ describe('usePlaybackServerId', () => {
   });
 
   it('does not call switchActiveServer when browsed server changes', async () => {
-    const { switchActiveServer } = await import('../utils/server/switchActiveServer');
+    const { switchActiveServer } = await import('@/utils/server/switchActiveServer');
     vi.mocked(switchActiveServer).mockClear();
     const { rerender } = renderHook(() => usePlaybackServerId());
     useAuthStore.setState({ activeServerId: 'b' });

src/features/playback/hooks/useTimelinePlayHistory.test.ts

@@ -13,7 +13,7 @@ vi.mock('@/lib/api/library', () => ({
   TIMELINE_HISTORY_BOOTSTRAP_LIMIT: 50,
 }));
 
-vi.mock('../utils/queue/timelineBootstrapReady', () => ({
+vi.mock('@/utils/queue/timelineBootstrapReady', () => ({
   timelineBootstrapIndexReady: vi.fn(),
 }));
 
@@ -23,7 +23,7 @@ vi.mock('@/features/playback/store/queueTrackResolver', async importOriginal =>
 });
 
 import { libraryGetRecentPlaySessions } from '@/lib/api/library';
-import { timelineBootstrapIndexReady } from '../utils/queue/timelineBootstrapReady';
+import { timelineBootstrapIndexReady } from '@/utils/queue/timelineBootstrapReady';
 
 describe('ensureTimelineBootstrap', () => {
   beforeEach(() => {