Update chao annotations

tip_annotations/chao.json

@@ -1072,5 +1072,18 @@
     "full_x": 2009.9,
     "full_y": 1075.1,
     "timestamp": "2026-04-04T02:31:34.761828"
+  },
+  "GX010018_frame_000085": {
+    "tip_x": 650.4,
+    "tip_y": 557.9,
+    "crop_x1": 1279,
+    "crop_y1": 218,
+    "crop_w": 826,
+    "crop_h": 753,
+    "img_w": 3840,
+    "img_h": 2160,
+    "full_x": 1929.4,
+    "full_y": 775.9,
+    "timestamp": "2026-04-04T02:31:38.050353"
   }
 }