fix: synced lyrics on auto-advance and persist preferred source

src/datasource/youtube/YouTubeMusicDataSource.ts

@@ -4692,6 +4692,12 @@ export class YouTubeMusicDataSource extends DataSource {
   private async fetchSyncedLyrics(track: Track): Promise<Lyrics> {
     logInternalInfo("YouTubeMusicDataSource.getLyrics start", { trackId: track.id });
 
+    // Queue rows carry no duration, so an auto-advanced track used to skip both LRCLIB sources (#153).
+    if (!track.durationSec && track.source === "youtube") {
+      const durationSec = (await this.getTrack(track.id).catch(() => null))?.durationSec;
+      if (durationSec) track = { ...track, durationSec };
+    }
+
     const runners: Record<string, () => Promise<Lyrics | null>> = {
       "lrclib-exact": () => this.fetchLrcLibExactLyrics(track),
       betterlyrics: () => this.fetchBetterLyrics(track),

src/internal/lyricsSourcePreference.ts

@@ -1,4 +1,5 @@
 import { useSyncExternalStore } from "react";
+import { getAppSetting, setAppSetting } from "./appSettings";
 
 /**
  * Which lyric source the listener wants tried first.
@@ -38,6 +39,14 @@ export function setPreferredLyricsSourceId(id: string): void {
     // Quota or a locked profile: the choice still applies for this session.
   }
   window.dispatchEvent(new Event(CHANGE_EVENT));
+  void setAppSetting(STORAGE_KEY, id);
+}
+
+/** Webview storage alone lost this on every restart for some Windows users (#153). */
+export async function hydratePreferredLyricsSourceId(): Promise<void> {
+  const stored = await getAppSetting<unknown>(STORAGE_KEY);
+  // No durable copy yet: backfill it from local storage.
+  setPreferredLyricsSourceId(typeof stored === "string" ? stored : getPreferredLyricsSourceId());
 }
 
 function subscribe(listener: () => void): () => void {

src/main.tsx

@@ -37,6 +37,7 @@ import { DiscordRpcService } from "./player/DiscordRPC";
 import { hydratePlaybackSettings } from "./player/playbackSettings";
 import { hydratePlayHistory } from "./player/playHistory";
 import { hydrateSessionRestoreSetting } from "./ui/settings/sessionRestore";
+import { hydratePreferredLyricsSourceId } from "./internal/lyricsSourcePreference";
 import { hydrateToolbarItemSettings } from "./ui/settings/toolbarItems";
 import { hydrateHomeSectionSettings } from "./ui/settings/homeSections";
 import { applyRenderEffects, hydrateRenderEffects } from "./ui/settings/renderEffects";
@@ -86,6 +87,7 @@ void Promise.all([
   hydrateHomeSectionSettings(),
   hydratePlaybackSettings(),
   hydratePlayHistory(),
+  hydratePreferredLyricsSourceId(),
   // Read synchronously from local storage at boot, so this only backfills a machine whose
   // local storage was cleared — it takes effect from the next launch.
   hydrateSessionRestoreSetting(),