feat: 插件沙箱 with(fakeGlobal) 修复 Z_SYNC_FLUSH 未定义 + 播放列表抽屉 + 日志系统 + 侧边栏日志入口

src/components/player/PlayerBar.vue

@@ -147,7 +147,7 @@ const next = () => playerStore.next();
 const prev = () => playerStore.prev();
 const toggleMode = () => playerStore.toggleMode();
 const toggleLike = () => { isLiked.value = !isLiked.value; };
-const togglePlaylist = () => { /* TODO: Toggle Playlist Drawer */ };
+const togglePlaylist = () => playerStore.togglePlaylist();
 
 const onSeek = (e: Event) => {
   const val = Number((e.target as HTMLInputElement).value);