Update chao annotations

chao.json

@@ -8296,5 +8296,18 @@
     "full_x": 347,
     "full_y": 172.5,
     "timestamp": "2026-04-12T20:09:59.759827"
+  },
+  "annotated_frame_y709": {
+    "tip_x": 27,
+    "tip_y": 38.5,
+    "crop_x1": 319,
+    "crop_y1": 127,
+    "crop_w": 90,
+    "crop_h": 152,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 346,
+    "full_y": 165.5,
+    "timestamp": "2026-04-12T20:10:02.414725"
   }
 }