refactor(folderBrowser): co-locate folder-browser feature into features/folderBrowser

src/app/AppRoutes.tsx

@@ -35,7 +35,7 @@ const DeviceSync = lazy(() => import('@/features/deviceSync/pages/DeviceSync'));
 const OfflineLibrary = lazy(() => import('@/features/offline/pages/OfflineLibrary'));
 const LabelAlbums = lazy(() => import('@/features/album/pages/LabelAlbums'));
 const SearchBrowsePage = lazy(() => import('@/features/search/pages/SearchBrowsePage'));
-const FolderBrowser = lazy(() => import('../pages/FolderBrowser'));
+const FolderBrowser = lazy(() => import('@/features/folderBrowser/pages/FolderBrowser'));
 const InternetRadio = lazy(() => import('@/features/radio/pages/InternetRadio'));
 const Genres = lazy(() => import('../pages/Genres'));
 const GenreDetail = lazy(() => import('../pages/GenreDetail'));

src/features/folderBrowser/components/FolderBrowserColumn.tsx

@@ -6,7 +6,7 @@ import type { Track } from '@/lib/media/trackTypes';
 import {
   folderBrowserHasKeyModifiers, isFolderBrowserArrowKey,
   type Column,
-} from '../../utils/componentHelpers/folderBrowserHelpers';
+} from '@/features/folderBrowser/utils/folderBrowserHelpers';
 
 interface Props {
   col: Column;

src/features/folderBrowser/hooks/useFolderBrowserKeyboardNav.ts

@@ -4,7 +4,7 @@ import { usePlayerStore } from '@/features/playback/store/playerStore';
 import {
   entryToTrack, folderBrowserHasKeyModifiers, isFolderBrowserArrowKey,
   type Column, type NavPos,
-} from '../utils/componentHelpers/folderBrowserHelpers';
+} from '@/features/folderBrowser/utils/folderBrowserHelpers';
 
 interface Args {
   columns: Column[];

src/features/folderBrowser/hooks/useFolderBrowserNowPlayingPath.ts

@@ -3,7 +3,7 @@ import { useLocation } from 'react-router-dom';
 import { getMusicDirectory, getMusicIndexes } from '@/lib/api/subsonicLibrary';
 import type { SubsonicDirectoryEntry } from '@/lib/api/subsonicTypes';
 import type { Track } from '@/lib/media/trackTypes';
-import type { Column, NavPos } from '../utils/componentHelpers/folderBrowserHelpers';
+import type { Column, NavPos } from '@/features/folderBrowser/utils/folderBrowserHelpers';
 
 let persistedPlayingPathIds: string[] = [];
 

src/features/folderBrowser/hooks/useFolderBrowserScrolling.ts

@@ -1,5 +1,5 @@
 import { useEffect, useRef, useState } from 'react';
-import type { Column, NavPos } from '../utils/componentHelpers/folderBrowserHelpers';
+import type { Column, NavPos } from '@/features/folderBrowser/utils/folderBrowserHelpers';
 
 interface Args {
   columns: Column[];

src/features/folderBrowser/index.ts

@@ -0,0 +1,9 @@
+/**
+ * Folder Browser feature — the Miller-column directory browser over the
+ * server's raw music folders (`getMusicFolders`/`getMusicDirectory`/
+ * `getMusicIndexes`): the FolderBrowser page, its column component, the
+ * now-playing-path / scrolling / keyboard-nav hooks, and the pure path/entry
+ * helpers. The page is lazy-loaded by the router via its deep path, so it is
+ * not re-exported here; nothing else outside the feature consumes its modules.
+ */
+export {};

src/features/folderBrowser/pages/FolderBrowser.tsx

@@ -6,11 +6,11 @@ import { useTranslation } from 'react-i18next';
 import {
   entryToAlbumIfPresent, entryToTrack,
   type Column, type ColumnKind, type NavPos,
-} from '../utils/componentHelpers/folderBrowserHelpers';
-import FolderBrowserColumn from '../components/folderBrowser/FolderBrowserColumn';
-import { useFolderBrowserNowPlayingPath } from '../hooks/useFolderBrowserNowPlayingPath';
-import { useFolderBrowserScrolling } from '../hooks/useFolderBrowserScrolling';
-import { useFolderBrowserKeyboardNav } from '../hooks/useFolderBrowserKeyboardNav';
+} from '@/features/folderBrowser/utils/folderBrowserHelpers';
+import FolderBrowserColumn from '@/features/folderBrowser/components/FolderBrowserColumn';
+import { useFolderBrowserNowPlayingPath } from '@/features/folderBrowser/hooks/useFolderBrowserNowPlayingPath';
+import { useFolderBrowserScrolling } from '@/features/folderBrowser/hooks/useFolderBrowserScrolling';
+import { useFolderBrowserKeyboardNav } from '@/features/folderBrowser/hooks/useFolderBrowserKeyboardNav';
 
 export default function FolderBrowser() {
   const { t } = useTranslation();