Fix last seen timestamp parsing to handle both ISO and SQLite timestamp...

Fix last seen timestamp parsing to handle both ISO and SQLite timestamp formats for proper timezone display

vidai/api.py

@@ -105,8 +105,14 @@ def api_stats():
                         # Parse the timestamp string and convert to Unix timestamp
                         from datetime import datetime
                         if isinstance(client['last_seen'], str):
-                            # Assume ISO format like '2023-10-08T12:34:56.789Z'
-                            dt = datetime.fromisoformat(client['last_seen'].replace('Z', '+00:00'))
+                            # Handle different timestamp formats
+                            ts_str = client['last_seen']
+                            if 'T' in ts_str:
+                                # ISO format like '2023-10-08T12:34:56.789Z'
+                                dt = datetime.fromisoformat(ts_str.replace('Z', '+00:00'))
+                            else:
+                                # SQLite format like '2025-10-08 08:45:43'
+                                dt = datetime.strptime(ts_str, '%Y-%m-%d %H:%M:%S')
                             last_seen_ts = dt.timestamp()
                         else:
                             last_seen_ts = time.mktime(client['last_seen'].timetuple())