saltybot_sensor_fusion 0.1.0 Multi-sensor fusion for obstacle avoidance (Issue #490). Fuses RPLIDAR A1M8 (360° 2D) + RealSense D435i depth (front 87° 3D). Publishes unified /scan_fused and PointCloud2 for costmap voxel layer. sl-perception MIT ament_python rclpy std_msgs sensor_msgs geometry_msgs message_filters tf2_ros cv_bridge opencv-python numpy ament_copyright ament_flake8 ament_pep257 python3-pytest ament_python