fix: player-track overflow:visible so vinyl circle is not clipped

overflow:hidden on .player-track was cutting off the border-radius and
box-shadow ring of the circular cover art on all sides except one.
Text truncation is handled by the individual text elements themselves.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

sw.js

@@ -1,4 +1,4 @@
-const CACHE = 'ns-v26';
+const CACHE = 'ns-v27';
 const PRECACHE = ['/', 'index.html', 'styles.css', 'app.js', 'manifest.json', 'icon.svg'];
 const SKIP_PATHS = ['/rest/stream', '/rest/download', '/config.js'];