rov_api 0.1.0 Argonaut 3 FastAPI backend — HTTP bridge from Cockpit widgets to the ROS2 autonomy stack. Provides /health, /abort (W3 RETURN TO SAFE), /mission/start, and /mission/stop endpoints on port 8081. Grant du Toit Proprietary ament_python rclpy std_msgs rov_interfaces ament_python