Update app.py

app.py

@@ -280,7 +280,7 @@ def get_detection_data(image_data):
                 "bounding_box": {
                     "vertices": get_box_vertices([x1, y1, x2, y2])
                 },
-                "center_2d": center_2d,  # Add 2D center in screen space
+                "center_2d": center,  # Add 2D center in screen space
                 "distance": depth_value,  # Depth in meters
                 "color": color_rgb,
                 "confidence": float(confidence)