saltybot_night_mode 0.1.0 Night mode controller for SaltyBot. Detects ambient light from sensors and automatically switches to stealth mode with reduced motor speed, IR tracking, dimmed LEDs, and face-only TTS. Includes manual override via voice/gamepad. sl-mechanical MIT rclpy std_msgs sensor_msgs ament_python ament_copyright ament_flake8 ament_pep257 python3-pytest ament_python