Update chao annotations

tip_annotations/chao.json

@@ -1491,5 +1491,9 @@
     "full_x": 432,
     "full_y": 229.5,
     "timestamp": "2026-04-04T02:33:38.013222"
+  },
+  "annotated_frame_833": {
+    "skipped": true,
+    "timestamp": "2026-04-04T02:33:40.838394"
   }
 }