fix(ui): Add status-content container to preserve webhooks panel

The webhooks panel was being destroyed when renderStatusPanel set
panel.innerHTML. Added a dedicated #status-content div for status
data, keeping webhooks section intact when status refreshes.

public/app.js

@@ -920,9 +920,11 @@ function renderStatusPanel(data, panel) {
   }
 
   html += `</tbody></table></div></div>`;
-  panel.innerHTML = html;
+  // Render into status-content div, not the whole panel (preserves webhooks section)
+  const contentDiv = document.getElementById('status-content');
+  if (contentDiv) contentDiv.innerHTML = html;
   // Wire close button — addEventListener avoids CSP inline handler restrictions
-  const closeBtn = panel.querySelector('#status-close-btn');
+  const closeBtn = document.getElementById('status-close-btn');
   if (closeBtn) closeBtn.addEventListener('click', closeStatusPanel);
   // Set bar widths via JS DOM assignment — immune to CSP style-src restrictions
   panel.querySelectorAll('.timing-bar[data-w]').forEach(el => {