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/start_flask.sh

@@ -3,24 +3,34 @@
 # start_flask.sh - 仅启动/重启 Flask 服务（不启动 ROS2）
 # 适用于: 修改了前端/API 代码后快速重启
 # ============================================================
-AGV_PROJECT_DIR="${AGV_PROJECT_DIR:-/home/elephant/work/smart-inspection}"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+AGV_PROJECT_DIR="${AGV_PROJECT_DIR:-$PROJECT_DIR}"
 AGV_APP_DIR="${AGV_APP_DIR:-$AGV_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}"
+LOG_DIR="${LOG_DIR:-/tmp}"
+FLASK_PORT="${FLASK_PORT:-5000}"
+FLASK_LOG="$LOG_DIR/agv_flask.log"
+
+mkdir -p "$LOG_DIR"
 
 pkill -f "python.*app.py" 2>/dev/null || true
 pkill -f "uv run .*python app.py" 2>/dev/null || true
 sleep 1
 
-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 "$AGV_APP_DIR"
-nohup uv run --locked python app.py > /tmp/agv_flask.log 2>&1 &
+nohup uv run --locked python app.py > "$FLASK_LOG" 2>&1 &
 echo "Flask started, PID: $!"
 sleep 2
 
-if ss -tlnp 2>/dev/null | grep -q 5000 || netstat -tlnp 2>/dev/null | grep -q 5000; then
-    echo "✅ 端口 5000 正常"
+if ss -tlnp 2>/dev/null | grep -q ":$FLASK_PORT " || netstat -tlnp 2>/dev/null | grep -q ":$FLASK_PORT "; then
+    echo "✅ 端口 $FLASK_PORT 正常"
 else
-    echo "⚠️ 端口 5000 未监听，检查 /tmp/agv_flask.log"
+    echo "⚠️ 端口 $FLASK_PORT 未监听，检查 $FLASK_LOG"
 fi