feat(camera): discover and publish multiple capture devices

run.sh

@@ -11,11 +11,21 @@ DEVICE=/dev/video0
 for arg in "$@"; do
   case "$arg" in video_device:=*) DEVICE=${arg#video_device:=} ;; esac
 done
-[[ "$DEVICE" =~ ^/dev/video[0-9]+$ ]] && [ -c "$DEVICE" ] || { echo "Camera device not found: $DEVICE" >&2; exit 1; }
+devices=()
+if [ "$DEVICE" = /dev ]; then
+  discovered=$(python3 "$MODULE_PATH/src/camera_test_pkg/camera_test_pkg/devices.py" /dev) || exit 1
+  mapfile -t devices <<< "$discovered"
+else
+  devices=("$DEVICE")
+fi
+for device in "${devices[@]}"; do
+  [[ "$device" =~ ^/dev/video[0-9]+$ ]] && [ -c "$device" ] || { echo "Camera device not found: $device" >&2; exit 1; }
+done
 test -f "$MODULE_PATH/install/setup.bash" || { echo 'Module is not built' >&2; exit 1; }
 
 docker rm -f "$CONTAINER_NAME" >/dev/null 2>&1 || true
-device_args=(--device "$DEVICE:$DEVICE")
+device_args=()
+for device in "${devices[@]}"; do device_args+=(--device "$device:$device"); done
 # Jetson VI capture opens additional channel devices from the container.
 for capture_device in /dev/capture-vi-channel*; do
   if [ -c "$capture_device" ]; then