fix: iTunes route order (lookup before proxy); stable cover art URLs for browser caching

backend/novasonic-server.js

@@ -160,8 +160,32 @@ app.post('/api/spotify/track-artwork', async (req, res) => {
   res.json({ results });
 });
 
+// ─── ITUNES METADATA LOOKUP (must be before the proxy route) ─────────────────
+app.get('/api/itunes/lookup', async (req, res) => {
+  const { artist, title } = req.query;
+  if (!artist || !title) return res.status(400).json({ error: 'artist and title required' });
+  try {
+    const meta = await lookupItunesTrackMeta(artist, title);
+    if (!meta.album && !meta.genre && !meta.year) return res.json({ found: false });
+    res.json({
+      found:       true,
+      album:       meta.album       || undefined,
+      year:        meta.year        || undefined,
+      trackNum:    meta.trackNum    || undefined,
+      totalTracks: meta.totalTracks || undefined,
+      genre:       meta.genre       || undefined,
+      coverUrl:    meta.artworkUrl  || undefined,
+      artist:      meta.itunesArtistName || undefined,
+    });
+  } catch (e) {
+    console.error('[itunes/lookup]', e.message);
+    res.status(500).json({ error: e.message });
+  }
+});
+
 // ─── ITUNES PROXY ─────────────────────────────────────────────────────────────
 // Browsers can't call itunes.apple.com directly (no CORS headers). Proxy it here.
+// Note: /api/itunes/lookup is handled above — proxy only covers /search and id-based /lookup.
 app.get('/api/itunes/:endpoint', (req, res) => {
   const allowed = new Set(['search', 'lookup']);
   if (!allowed.has(req.params.endpoint)) return res.status(404).json({ error: 'not found' });
@@ -570,28 +594,6 @@ app.post('/api/soundcloud/resolve', async (req, res) => {
   }
 });
 
-// ─── ITUNES LOOKUP ───────────────────────────────────────────────────────────
-app.get('/api/itunes/lookup', async (req, res) => {
-  const { artist, title } = req.query;
-  if (!artist || !title) return res.status(400).json({ error: 'artist and title required' });
-  try {
-    const meta = await lookupItunesTrackMeta(artist, title);
-    if (!meta.album && !meta.genre && !meta.year) return res.json({ found: false });
-    res.json({
-      found:       true,
-      album:       meta.album       || undefined,
-      year:        meta.year        || undefined,
-      trackNum:    meta.trackNum    || undefined,
-      totalTracks: meta.totalTracks || undefined,
-      genre:       meta.genre       || undefined,
-      coverUrl:    meta.artworkUrl  || undefined,
-      artist:      meta.itunesArtistName || undefined,
-    });
-  } catch (e) {
-    console.error('[itunes/lookup]', e.message);
-    res.status(500).json({ error: e.message });
-  }
-});
 
 // ─── MUSICBRAINZ LOOKUP ──────────────────────────────────────────────────────
 app.get('/api/musicbrainz/lookup', async (req, res) => {