fix: iTunes JP-first with US fallback; romaji filter in playlist/starred search

backend/lib/metadata.js

@@ -92,13 +92,15 @@ async function lookupItunesTrackMeta(artist, title) {
     // e.g. "don't rush - slowed" → search "don't rush" so iTunes finds the single
     const baseTitle = title.replace(/\s*[-–]\s*\S[^-]*$/, '').trim() || title;
     const searchTitle = baseTitle !== title ? baseTitle : title;
-    const url = `https://itunes.apple.com/search?term=${encodeURIComponent(artist + ' ' + searchTitle)}&media=music&entity=musicTrack&limit=10&country=jp&explicit=Yes`;
-    const results = await new Promise((resolve, reject) => {
+    const fetchItunes = (country) => new Promise((resolve, reject) => {
+      const url = `https://itunes.apple.com/search?term=${encodeURIComponent(artist + ' ' + searchTitle)}&media=music&entity=musicTrack&limit=10&country=${country}&explicit=Yes`;
       https.get(url, res => {
         let d = ''; res.on('data', c => d += c);
         res.on('end', () => { try { resolve(JSON.parse(d).results || []); } catch { reject(new Error('parse')); } });
       }).on('error', reject);
     });
+    let results = await fetchItunes('jp');
+    if (!results.length) results = await fetchItunes('us');
     const normT     = normalizeTitle(title);
     const normA     = (artist || '').toLowerCase().trim();
     // Split by space OR comma/semicolon/slash so "VXLLAIN, iGRES" → "vxllain" not "vxllain,"

src/api.js

@@ -135,10 +135,12 @@ function _itunesBase() {
 
 export async function itunesSearch(query, entity='musicTrack', limit=25) {
   try {
-    const r = await fetch(`${_itunesBase()}/search?term=${encodeURIComponent(query)}&media=music&entity=${entity}&limit=${limit}&country=jp&explicit=Yes`);
-    const text = await r.text();
-    if (!text) return [];
-    return JSON.parse(text).results || [];
+    const base = `${_itunesBase()}/search?term=${encodeURIComponent(query)}&media=music&entity=${entity}&limit=${limit}&explicit=Yes`;
+    const rJp = await fetch(`${base}&country=jp`);
+    const jpResults = JSON.parse(await rJp.text()).results || [];
+    if (jpResults.length) return jpResults;
+    const rUs = await fetch(`${base}&country=us`);
+    return JSON.parse(await rUs.text()).results || [];
   } catch { return []; }
 }
 

src/views.js

@@ -6,7 +6,7 @@ import { playQueue, dlSongLocal, playPreview, toggleStar, parseArtists } from '.
 import { showCtxMenu, openEditPlModal, openDlModal, closeSidebar, switchNavMode } from './ui.js';
 import { closeNowPlaying, closeNpMenu } from './nowplaying.js';
 import { makeCard, makeAlbumCard, makeSongItem, makeGlobalTrackItem, mkSection } from './components.js';
-import { fetchRomajiIndex, dispArtistById } from './api.js';
+import { fetchRomajiIndex, dispArtistById, romajiLookup } from './api.js';
 import { loadSpotifyImporter } from './spotify.js';
 import { loadSoundCloudImporter } from './soundcloud.js';
 
@@ -748,7 +748,9 @@ export function filterPlaylist(val) {
   document.querySelectorAll('#playlist-songs .song-item').forEach(item => {
     const title  = (item.querySelector('.song-title')?.textContent  || '').toLowerCase();
     const artist = (item.querySelector('.song-artist')?.textContent || '').toLowerCase();
-    item.style.display = (!q || title.includes(q) || artist.includes(q)) ? '' : 'none';
+    if (!q || title.includes(q) || artist.includes(q)) { item.style.display = ''; return; }
+    const rm = romajiLookup(item.dataset.songId);
+    item.style.display = ((rm?.titleRomaji||'').toLowerCase().includes(q) || (rm?.artistRomaji||'').toLowerCase().includes(q)) ? '' : 'none';
   });
 }
 
@@ -916,7 +918,9 @@ export function filterStarred(val) {
   document.querySelectorAll('#starred-songs .song-item').forEach(item => {
     const title  = (item.querySelector('.song-title')?.textContent  || '').toLowerCase();
     const artist = (item.querySelector('.song-artist')?.textContent || '').toLowerCase();
-    item.style.display = (!q || title.includes(q) || artist.includes(q)) ? '' : 'none';
+    if (!q || title.includes(q) || artist.includes(q)) { item.style.display = ''; return; }
+    const rm = romajiLookup(item.dataset.songId);
+    item.style.display = ((rm?.titleRomaji||'').toLowerCase().includes(q) || (rm?.artistRomaji||'').toLowerCase().includes(q)) ? '' : 'none';
   });
 }