Update chao annotations

chao.json

@@ -7834,5 +7834,18 @@
     "full_x": 406,
     "full_y": 329.5,
     "timestamp": "2026-04-12T20:07:51.873065"
+  },
+  "annotated_frame_x498": {
+    "tip_x": 73,
+    "tip_y": 51.5,
+    "crop_x1": 435,
+    "crop_y1": 142,
+    "crop_w": 92,
+    "crop_h": 72,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 508,
+    "full_y": 193.5,
+    "timestamp": "2026-04-12T20:07:54.029863"
   }
 }