diff --git a/backend/package.json b/backend/package.json
index 7434b2e..d312528 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -2,6 +2,7 @@
   "name": "novasonic-backend",
   "private": true,
   "dependencies": {
+    "express": "^4.18.0",
     "kuromoji": "^0.1.2"
   }
 }
diff --git a/src/ui.js b/src/ui.js
index c8e3efc..ded5268 100644
--- a/src/ui.js
+++ b/src/ui.js
@@ -3,7 +3,7 @@ import { esc, formatDur, toast } from './utils.js';
 import { api, coverUrl, ndAuth, fetchRomajiIndex, romajiConvert, romajiLookup, invalidateRomajiIndex, invalidateCoverCache, getRomajiOverrides, setRomajiOverride, removeRomajiOverride } from './api.js';
 import { THEMES, applyTheme, getCurrentThemeId } from './themes.js';
 // Circular imports — safe (only used inside function bodies)
-import { playQueue, dlSongLocal, toggleStar, togglePlay, renderQueue, syncNpStar, updateStarBtn, npToggleStar, playCurrent, _syncNpDirect, setPlayIcon, nativeInsertAt, refreshDisplayMode, updateNpColorMode } from './player.js';
+import { playQueue, dlSongLocal, toggleStar, togglePlay, renderQueue, syncNpStar, updateStarBtn, npToggleStar, playCurrent, setPlayIcon, nativeInsertAt, refreshDisplayMode, updateNpColorMode } from './player.js';
 import { navigate, loadPlaylists, loadPlaylistDetail } from './views.js';
 
 // ─── SIDEBAR ───