重构：模块化项目结构，分离配置、路由、摄像头管理器，添加健康检查，更新Dockerfile和启动脚本

start.sh

@@ -24,6 +24,18 @@ if [ $? -ne 0 ]; then
     pip3 install requests==2.31.0
 fi
 
+python3 -c "import dotenv" 2>/dev/null
+if [ $? -ne 0 ]; then
+    echo "📥 安装python-dotenv..."
+    pip3 install python-dotenv==1.0.0
+fi
+
+python3 -c "import psutil" 2>/dev/null
+if [ $? -ne 0 ]; then
+    echo "📥 安装psutil..."
+    pip3 install psutil==5.9.6
+fi
+
 # 启动应用
 echo "🎬 启动应用..."
-python3 complete_multi_camera_app.py
+python3 run.py