Rename customs-tablet-frontend to public-frontend and add new features

- Rename customs-tablet-frontend/ to public-frontend/ for broader scope
- Add new pages: customs, inspection with camera integration
- Add new services: apiClient.ts, backendApi.ts, normalizers.ts
- Add CameraFrame component for real-time video streaming
- Add scan_fixer module with clock_publisher and timestamp fix utilities
- Update startup scripts to support new frontend structure
- Update arm_server configuration and service files

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

scripts/dev_start.sh

@@ -8,7 +8,11 @@ set -e
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
 AGV_APP_DIR="$PROJECT_DIR/agv_app"
-AGV_ROS2_DIR="${AGV_ROS2_DIR:-/home/elephant/agv_pro_ros2}"
+AGV_ROS2_DIR="${AGV_ROS2_DIR:-$HOME/agv_pro_ros2}"
+ROS_DISTRO="${ROS_DISTRO:-humble}"
+ROS_SETUP="${ROS_SETUP:-/opt/ros/$ROS_DISTRO/setup.bash}"
+ROS_WORKSPACE_SETUP="${ROS_WORKSPACE_SETUP:-$AGV_ROS2_DIR/install/setup.bash}"
+FLASK_PORT="${FLASK_PORT:-5000}"
 
 echo "=========================================="
 echo "  本地开发模式 - 仅启动 Flask"
@@ -16,8 +20,8 @@ echo "=========================================="
 echo ""
 
 # 切换到项目目录
-source /opt/ros/humble/setup.bash 2>/dev/null || true
-source "$AGV_ROS2_DIR/install/setup.bash" 2>/dev/null || true
+source "$ROS_SETUP" 2>/dev/null || true
+source "$ROS_WORKSPACE_SETUP" 2>/dev/null || true
 
 cd "$AGV_APP_DIR"
 
@@ -38,6 +42,6 @@ fi
 
 # 使用前台模式运行（方便看日志和 Ctrl+C 停止）
 echo "启动 Flask (前台模式，Ctrl+C 停止)..."
-echo "访问: http://127.0.0.1:5000"
+echo "访问: http://127.0.0.1:$FLASK_PORT"
 echo ""
 exec uv run --locked python app.py