feat(genius): load song metadata, lyrics, and artwork

Search hits omit album covers and artist images. The worker now reads the full song and artist, stores the description, and leaves Genius image URLs unchanged on mobile.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/mobile/src/offline/downloads.ts

@@ -272,7 +272,7 @@ class Downloads {
       if (track.album.cover_url) {
         const cover = this.cover(track.album.id);
         const info = await FileSystem.getInfoAsync(cover);
-        if (!info.exists) await FileSystem.downloadAsync(`${this.abs(track.album.cover_url)}&size=300`, cover).catch(() => undefined);
+        if (!info.exists) await FileSystem.downloadAsync(sizedCover(this.abs(track.album.cover_url), 300), cover).catch(() => undefined);
       }
       const info = await FileSystem.getInfoAsync(this.file(id));
       await status('done', { progress: 1, bytes: info.exists ? info.size : 0 }, track);
@@ -286,4 +286,9 @@ class Downloads {
   }
 }
 
+/** Размер нужен только обложкам Pipu. Прямые ссылки Genius параметр size не принимают. */
+export function sizedCover(url: string, size: number): string {
+  return url.includes('/api/v1/covers/') ? `${url}&size=${size}` : url;
+}
+
 export const downloads = new Downloads();

apps/mobile/src/player/controller.ts

@@ -17,7 +17,7 @@ import TrackPlayer, {
 } from 'react-native-track-player';
 
 import { playerCache, qualityPrefs, type Quality } from '../lib/prefs';
-import { downloads } from '../offline/downloads';
+import { downloads, sizedCover } from '../offline/downloads';
 import { PersistentEvents } from '../offline/events';
 import { offlineWave } from './offlineWave';
 import { eventId } from './eventId';
@@ -224,15 +224,18 @@ class Controller {
   private async toRntp(tracks: Track[]): Promise<RntpTrack[]> {
     const q = await quality();
     // Скачанный трек играется из файла (и без сети), остальные — стримом по качеству сети.
-    return tracks.map((t) => ({
-      id: t.id,
-      url: downloads.localTrack(t.id) ?? `${absolute(this.server, t.stream_url)}&q=${q}`,
-      title: t.title,
-      artist: t.artists.map((a) => a.name).join(', '),
-      album: t.album.title,
-      artwork: downloads.localCover(t) ?? (t.album.cover_url ? `${absolute(this.server, t.album.cover_url)}&size=300` : undefined),
-      duration: t.duration_ms / 1000,
-    }));
+    return tracks.map((t) => {
+      const cover = absolute(this.server, t.album.cover_url);
+      return {
+        id: t.id,
+        url: downloads.localTrack(t.id) ?? `${absolute(this.server, t.stream_url)}&q=${q}`,
+        title: t.title,
+        artist: t.artists.map((a) => a.name).join(', '),
+        album: t.album.title,
+        artwork: downloads.localCover(t) ?? (cover ? sizedCover(cover, 300) : undefined),
+        duration: t.duration_ms / 1000,
+      };
+    });
   }
 
   async playList(tracks: Track[], index: number, context: PlayContext) {

apps/mobile/src/ui/kit.tsx

@@ -20,7 +20,7 @@ import {
 import { SafeAreaView } from 'react-native-safe-area-context';
 
 import { useSessionCtx } from '../lib/session';
-import { downloads } from '../offline/downloads';
+import { downloads, sizedCover } from '../offline/downloads';
 import { absolute } from '../player/controller';
 import { radius, useColors, type Colors } from '../theme';
 
@@ -161,7 +161,7 @@ export function Cover({
   const px = size * 2 <= 64 ? 64 : size * 2 <= 300 ? 300 : 1200;
   // У скачанных альбомов обложка 300 px лежит на устройстве — работает и без сети.
   const local = useSyncExternalStore(downloads.subscribe, () => (px <= 300 ? downloads.localAlbumCover(album.id) : undefined));
-  const uri = local ?? (remote ? `${remote}&size=${px}` : undefined);
+  const uri = local ?? (remote ? sizedCover(remote, px) : undefined);
   const bg = album.cover_colors?.[0] ?? colors.surface3;
   return (
     <View style={{ width: size, height: size, borderRadius: round ? size / 2 : 8, backgroundColor: bg, overflow: 'hidden', alignItems: 'center', justifyContent: 'center' }}>