Update chao annotations

tip_annotations/chao.json

@@ -1521,5 +1521,18 @@
     "full_x": 588.5,
     "full_y": 242.5,
     "timestamp": "2026-04-04T02:33:46.519677"
+  },
+  "annotated_frame_865": {
+    "tip_x": 45,
+    "tip_y": 72.5,
+    "crop_x1": 478,
+    "crop_y1": 139,
+    "crop_w": 66,
+    "crop_h": 92,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 523,
+    "full_y": 211.5,
+    "timestamp": "2026-04-04T02:33:49.029655"
   }
 }