saltybot_diagnostics_aggregator 0.1.0 Diagnostics aggregator for SaltyBot — unified health dashboard node (Issue #658). Subscribes to /vesc/health, /diagnostics, /saltybot/safety_zone/status, /saltybot/pose/status, /saltybot/uwb/status. Aggregates into /saltybot/system_health JSON at 1 Hz. Tracks motors, battery, imu, uwb, lidar, camera, can_bus, estop subsystems with state-transition logging. sl-firmware MIT rclpy std_msgs diagnostic_msgs ament_python ament_copyright ament_flake8 ament_pep257 python3-pytest ament_python