saltybot_lidar_avoidance 0.1.0 360° LIDAR obstacle avoidance for SaltyBot using RPLIDAR A1M8. Publishes local costmap, obstacle alerts, and filtered cmd_vel with emergency stop. sl-controls MIT rclpy geometry_msgs sensor_msgs std_msgs nav_msgs ament_python ament_copyright ament_flake8 ament_pep257 python3-pytest ament_python