fix: simplify index.html structure

src/frontend/index.html

@@ -417,7 +417,7 @@
 
         const addressText = document.createElement('span');
         addressText.className = 'pane-address';
-        addressText.textContent = shell;
+        addressText.textContent = '';
         statusDiv.appendChild(addressText);
 
         const statusIndicator = document.createElement('span');
@@ -562,13 +562,6 @@
       };
 
       term.onData((data) => {
-        if (addressText) {
-          const trimmed = data.trim();
-          const cdMatch = trimmed.match(/^cd\s+(.+)/i);
-          if (cdMatch && cdMatch[1]) {
-            addressText.textContent = cdMatch[1].trim();
-          }
-        }
         if (ws && ws.readyState === WebSocket.OPEN) {
           ws.send(data);
         }