Update chao annotations

chao.json

@@ -7492,5 +7492,18 @@
     "full_x": 321.5,
     "full_y": 286.5,
     "timestamp": "2026-04-12T20:06:44.205088"
+  },
+  "annotated_frame_fancap_66": {
+    "tip_x": 7,
+    "tip_y": 31.5,
+    "crop_x1": 148,
+    "crop_y1": 217,
+    "crop_w": 28,
+    "crop_h": 46,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 155,
+    "full_y": 248.5,
+    "timestamp": "2026-04-12T20:06:46.223229"
   }
 }