Update chao annotations

tip_annotations/chao.json

@@ -1305,5 +1305,18 @@
     "full_x": 346.5,
     "full_y": 230.5,
     "timestamp": "2026-04-04T02:32:33.562980"
+  },
+  "annotated_frame_498": {
+    "tip_x": 18.5,
+    "tip_y": 26.5,
+    "crop_x1": 332,
+    "crop_y1": 204,
+    "crop_w": 99,
+    "crop_h": 58,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 350.5,
+    "full_y": 230.5,
+    "timestamp": "2026-04-04T02:32:37.471659"
   }
 }