fix: preserve initial focus and guard account appearance saves

web/app.js

@@ -91,10 +91,11 @@ function handleProgress(data) {
     setState(working ? "thinking" : "listening");
 }
 function setTasksOpen(open) {
+    const wasOpen = !tasksPanel.hidden;
     tasksPanel.hidden = !open; tasksPanel.inert = !open;
     tasksPanel.classList.toggle("open", open);
     tasksBtn.setAttribute("aria-expanded", String(open));
-    if (open) closeTasksBtn.focus(); else tasksBtn.focus();
+    if (open) closeTasksBtn.focus(); else if (wasOpen) tasksBtn.focus();
 }
 tasksBtn.setAttribute("aria-expanded", "false");
 tasksBtn.addEventListener("click", () => setTasksOpen(!tasksPanel.classList.contains("open")));