ui: Done button tries window.close()

src/review.rs

@@ -371,6 +371,7 @@ async function deleteSelected() {
 
 async function shutdown() {
     try { await fetch('/shutdown', {method: 'POST'}); } catch(e) {}
+    window.close();
     document.getElementById('status').textContent = 'Review complete. You can close this tab.';
 }