首次提交：脑晴测 H5 项目

包含前端源码、预构建产物（dist/）、零依赖 Node.js 服务器（server.mjs）、
Cloudflare Worker 版本（worker/）、部署文档（DEPLOY.md）和交接文档。

技术总监可直接 clone 后运行 node server.mjs 启动，无需安装 React 或 build。
DEEPSEEK_API_KEY 通过环境变量注入，未纳入仓库。

brain-h5/scripts/start-local.cmd

@@ -0,0 +1,58 @@
+@echo off
+setlocal
+cd /d "%~dp0.."
+
+set "BUNDLED_NODE=%USERPROFILE%\.cache\codex-runtimes\codex-primary-runtime\dependencies\node\bin"
+set "BUNDLED_PNPM=%USERPROFILE%\.cache\codex-runtimes\codex-primary-runtime\dependencies\bin\fallback\pnpm.cmd"
+
+if exist "%BUNDLED_PNPM%" goto bundled_check
+where npm.cmd >nul 2>nul
+if errorlevel 1 goto missing
+
+if not exist "node_modules" goto npm_install
+node -e "import('vite')" >nul 2>nul
+if errorlevel 1 goto npm_repair
+goto npm_run
+
+:npm_repair
+echo Existing dependencies are damaged. Reinstalling...
+rmdir /s /q "%CD%\node_modules"
+
+:npm_install
+call npm.cmd install
+if errorlevel 1 goto install_failed
+
+:npm_run
+call npm.cmd run dev -- --host 0.0.0.0 --port 4173
+exit /b %errorlevel%
+
+:bundled_check
+set "PATH=%BUNDLED_NODE%;%PATH%"
+if not exist "node_modules" goto bundled_install
+"%BUNDLED_NODE%\node.exe" -e "import('vite')" >nul 2>nul
+if errorlevel 1 goto bundled_repair
+goto bundled_run
+
+:bundled_repair
+echo Existing dependencies are damaged. Reinstalling...
+rmdir /s /q "%CD%\node_modules"
+
+:bundled_install
+call "%BUNDLED_PNPM%" install --frozen-lockfile
+if errorlevel 1 goto install_failed
+
+:bundled_run
+call "%BUNDLED_PNPM%" dev --host 0.0.0.0 --port 4173
+exit /b %errorlevel%
+
+:install_failed
+echo.
+echo Dependency installation failed. Check the network, then run this launcher again.
+pause
+exit /b 1
+
+:missing
+echo No local web runtime was found.
+echo Install Node.js or reopen this project in Codex, then retry.
+pause
+exit /b 1