完成求解器雅可比矩阵首轮优化，增加更新目录，整理了文档文件夹，增加了服务启动脚本

bat/start-reactflow.bat

@@ -0,0 +1,77 @@
+@echo off
+setlocal EnableExtensions DisableDelayedExpansion
+
+for %%I in ("%~dp0..") do set "REPO_ROOT=%%~fI"
+set "FRONTEND_DIR=%REPO_ROOT%\frontend"
+title SystemSimulationApp ReactFlow - 127.0.0.1:5173
+
+if not exist "%FRONTEND_DIR%\package.json" (
+  echo [ERROR] Frontend package.json was not found:
+  echo         %FRONTEND_DIR%\package.json
+  echo.
+  pause
+  exit /b 1
+)
+
+set "NODE_DIR="
+for /d %%D in ("%REPO_ROOT%\.tools\node-*-win-x64") do (
+  if not defined NODE_DIR if exist "%%~fD\node.exe" if exist "%%~fD\npm.cmd" (
+    "%%~fD\node.exe" -e "v=process.versions.node.split('.');M=+v[0];m=+v[1];process.exit((M===20&&m>=19)||(M===22&&m>=12)||M>=23?0:1)" >nul 2>&1
+    if not errorlevel 1 set "NODE_DIR=%%~fD"
+  )
+)
+
+if not defined NODE_DIR (
+  echo [ERROR] A compatible Node.js portable runtime was not found under:
+  echo         %REPO_ROOT%\.tools
+  echo Vite requires Node.js 20.19+ or 22.12+.
+  echo.
+  pause
+  exit /b 1
+)
+
+set "NPM_EXE=%NODE_DIR%\npm.cmd"
+if not exist "%NPM_EXE%" (
+  echo [ERROR] npm.cmd was not found:
+  echo         %NPM_EXE%
+  echo.
+  pause
+  exit /b 1
+)
+
+if not exist "%FRONTEND_DIR%\node_modules\.bin\vite.cmd" (
+  echo [ERROR] Frontend dependencies are not installed.
+  echo Run the following command first:
+  echo         cd /d "%FRONTEND_DIR%"
+  echo         call "%NPM_EXE%" ci
+  echo.
+  pause
+  exit /b 1
+)
+
+pushd "%FRONTEND_DIR%" >nul
+if errorlevel 1 (
+  echo [ERROR] Unable to enter the frontend directory:
+  echo         %FRONTEND_DIR%
+  echo.
+  pause
+  exit /b 1
+)
+
+set "PATH=%NODE_DIR%;%PATH%"
+
+echo Starting ReactFlow at http://127.0.0.1:5173
+echo Press Ctrl+C to stop the service.
+echo.
+
+call "%NPM_EXE%" run dev -- --strictPort
+set "EXIT_CODE=%ERRORLEVEL%"
+
+if not "%EXIT_CODE%"=="0" (
+  echo.
+  echo [ERROR] ReactFlow exited with code %EXIT_CODE%.
+  pause
+)
+
+popd
+exit /b %EXIT_CODE%