fix: non-blocking romaji fetch in artist detail — prevent blank page on slow index load

src/views.js

@@ -356,9 +356,14 @@ function _makeTopsongRow(s, num, subtitle, list, idx) {
 
 // ─── ARTIST DETAIL ───
 export async function loadArtistDetail(artist) {
-  if (S.cfg.showRomaji) await fetchRomajiIndex().catch(() => {});
+  const nameEl = document.getElementById('artist-detail-name');
-  document.getElementById('artist-detail-name').textContent = dispArtistById(artist.id, artist.name);
+  nameEl.textContent = artist.name;
   document.getElementById('artist-back-btn').onclick = () => _navGoBack();
+  if (S.cfg.showRomaji) {
+    fetchRomajiIndex()
+      .then(() => { nameEl.textContent = dispArtistById(artist.id, artist.name); })
+      .catch(() => {});
+  }
 
   const hero   = document.getElementById('artist-detail-hero');
   const bioEl  = document.getElementById('artist-bio-section');