Real-Time Viewer Presence

Steps

1. Open a document in the owner viewer
2. In another browser, open the share link
3. Check presence indicator in owner viewer
4. Close the viewer tab
5. Wait 30 seconds for presence to clear

Verify (5 checks)

• Presence indicator shows active viewer count
• Viewer avatars/initials shown if email provided
• Current page number shown per viewer
• Presence clears after viewer leaves (30s heartbeat timeout)
• Multiple simultaneous viewers tracked independently