Update chao annotations

chao.json

@@ -7453,5 +7453,18 @@
     "full_x": 330.5,
     "full_y": 311.5,
     "timestamp": "2026-04-12T20:06:36.008693"
+  },
+  "annotated_frame_fancap_52": {
+    "tip_x": 19,
+    "tip_y": 70.5,
+    "crop_x1": 310,
+    "crop_y1": 237,
+    "crop_w": 42,
+    "crop_h": 88,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 329,
+    "full_y": 307.5,
+    "timestamp": "2026-04-12T20:06:38.700085"
   }
 }