Fix timezone issue by explicitly treating SQLite timestamps as UTC before...

Fix timezone issue by explicitly treating SQLite timestamps as UTC before converting to Unix timestamp

vidai/api.py

@@ -103,7 +103,7 @@ def api_stats():
                 if client.get('last_seen'):
                     try:
                         # Parse the timestamp string and convert to Unix timestamp
-                        from datetime import datetime
+                        from datetime import datetime, timezone
                         if isinstance(client['last_seen'], str):
                             # Handle different timestamp formats
                             ts_str = client['last_seen']
@@ -111,8 +111,8 @@ def api_stats():
                                 # 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')
+                                # SQLite format like '2025-10-08 08:45:43' - assume UTC
+                                dt = datetime.strptime(ts_str, '%Y-%m-%d %H:%M:%S').replace(tzinfo=timezone.utc)
                             last_seen_ts = dt.timestamp()
                         else:
                             last_seen_ts = time.mktime(client['last_seen'].timetuple())