feat(queue): play queue sync — manual pull, idle auto-sync, multi-server push (#1131)

src/utils/playback/playbackServer.ts

@@ -18,6 +18,7 @@ import {
 } from '../server/serverIndexKey';
 import {
   activeServerProfileId,
+  filterQueueRefsForServerProfile,
   isMultiServerQueue,
   profileIdFromQueueRef,
   queueItemRefAt,
@@ -174,6 +175,13 @@ export function queueIsMultiServer(): boolean {
   return isMultiServerQueue(usePlayerStore.getState().queueItems);
 }
 
+/** Refs owned by the server that is currently playing (mixed-queue safe). */
+export function filterQueueRefsForPlaybackServer(refs: QueueItemRef[]): QueueItemRef[] {
+  const playbackSid = getPlaybackServerId();
+  if (!playbackSid) return [];
+  return filterQueueRefsForServerProfile(refs, playbackSid);
+}
+
 /**
  * True when the current queue belongs to another server (or is unpinned legacy
  * state) and a browsed-server mix should clear it before enqueueing new tracks.