saltybot_health_monitor 0.1.0 ROS2 system health monitor for SaltyBot. Central node that monitors heartbeats from all critical nodes, detects when nodes go down (>5s silent), triggers auto-restart, publishes /saltybot/system_health JSON, and alerts face display on critical failures. sl-controls MIT rclpy std_msgs geometry_msgs ament_python ament_copyright ament_flake8 ament_pep257 python3-pytest ament_python