d506e01188
- camera_node (driver_pkg): Hikrobot MvCamera SDK image capture - vision_node (algorithm_pkg): Otsu threshold + contour detection + target tracking - web_node (application_pkg): HTTP server with MJPEG preview and mode switch API - gimbal_node (gimbal_control_pkg): UART serial communication per gimbal protocol - bringup_pkg: launch file for full pipeline - config: nginx reverse-proxy for MJPEG streaming and API routing