Update chao annotations

chao.json

@@ -7951,5 +7951,18 @@
     "full_x": 104,
     "full_y": 94.5,
     "timestamp": "2026-04-12T20:08:14.431522"
+  },
+  "annotated_frame_y478": {
+    "tip_x": 37,
+    "tip_y": 34.5,
+    "crop_x1": 35,
+    "crop_y1": 120,
+    "crop_w": 116,
+    "crop_h": 165,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 72,
+    "full_y": 154.5,
+    "timestamp": "2026-04-12T20:08:34.121312"
   }
 }