Update chao annotations

chao.json

@@ -7687,5 +7687,18 @@
     "full_x": 266.5,
     "full_y": 267.5,
     "timestamp": "2026-04-12T20:07:18.334809"
+  },
+  "annotated_frame_x221": {
+    "tip_x": 73,
+    "tip_y": 23.5,
+    "crop_x1": 184,
+    "crop_y1": 299,
+    "crop_w": 88,
+    "crop_h": 54,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 257,
+    "full_y": 322.5,
+    "timestamp": "2026-04-12T20:07:20.278858"
   }
 }