auto-refresh teamsbot session list every 10s to catch new/changed sessions

Co-authored-by: Cursor <cursoragent@cursor.com>

src/pages/views/teamsbot/TeamsbotSessionView.tsx

@@ -436,6 +436,28 @@ export const TeamsbotSessionView: React.FC = () => {
     });
   }, [session?.id, session?.status, session?.botName, session?.startedAt, session?.endedAt]);
 
+  // Periodically refresh the full session list to discover new/changed/ended sessions.
+  useEffect(() => {
+    if (!instanceId) return;
+    const listPollRef = setInterval(async () => {
+      try {
+        const listResult = await teamsbotApi.listSessions(instanceId, true);
+        const fresh = listResult.sessions || [];
+        setAllSessions((prev) => {
+          if (prev.length !== fresh.length) return fresh;
+          const changed = fresh.some((s, i) => {
+            const old = prev[i];
+            return !old || old.id !== s.id || old.status !== s.status
+              || old.endedAt !== s.endedAt || old.startedAt !== s.startedAt;
+          });
+          return changed ? fresh : prev;
+        });
+        if (noSessions && fresh.length > 0) setNoSessions(false);
+      } catch { /* ignore */ }
+    }, 10_000);
+    return () => clearInterval(listPollRef);
+  }, [instanceId, noSessions]);
+
   // Polling: while joining/pending, poll even if SSE is connected (status may not arrive on stream).
   // For active-only, poll only when SSE is down (previous behavior).
   const pollRef = useRef<ReturnType<typeof setInterval> | null>(null);