Update chao annotations

chao.json

@@ -7648,5 +7648,18 @@
     "full_x": 556.5,
     "full_y": 262.5,
     "timestamp": "2026-04-12T20:07:11.934544"
+  },
+  "annotated_frame_x175": {
+    "tip_x": 74,
+    "tip_y": 28.5,
+    "crop_x1": 532,
+    "crop_y1": 325,
+    "crop_w": 90,
+    "crop_h": 50,
+    "img_w": 640,
+    "img_h": 480,
+    "full_x": 606,
+    "full_y": 353.5,
+    "timestamp": "2026-04-12T20:07:14.710606"
   }
 }