Remove Listen page, tighten Bandcamp matching to 75%+ artist similarity

frontend/src/components/RecommendationCard.tsx

@@ -1,5 +1,4 @@
-import { Heart, ExternalLink, Music, Headphones } from 'lucide-react'
-import { Link } from 'react-router-dom'
+import { Heart, ExternalLink, Music } from 'lucide-react'
 import type { RecommendationItem } from '../lib/api'
 
 interface Props {
@@ -61,7 +60,7 @@ export default function RecommendationCard({ recommendation, onToggleSave, savin
             />
           </button>
 
-          {recommendation.bandcamp_url ? (
+          {recommendation.bandcamp_url && (
             <a
               href={recommendation.bandcamp_url}
               target="_blank"
@@ -71,14 +70,6 @@ export default function RecommendationCard({ recommendation, onToggleSave, savin
             >
               <ExternalLink className="w-4 h-4" />
             </a>
-          ) : (
-            <Link
-              to={`/listen?q=${encodeURIComponent(`${recommendation.artist} ${recommendation.title}`)}`}
-              className="p-2 rounded-full bg-purple-50 text-purple-400 hover:bg-purple-100 hover:text-purple transition-colors"
-              title="Find on Bandcamp"
-            >
-              <Headphones className="w-4 h-4" />
-            </Link>
           )}
         </div>
       </div>