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。

启动脑晴测.ps1

@@ -0,0 +1,44 @@
+$ErrorActionPreference = "Stop"
+
+$Project = Join-Path $PSScriptRoot "brain-h5"
+$Launcher = Join-Path $Project "scripts\start-local.cmd"
+$Url = "http://127.0.0.1:4173/"
+
+if (-not (Test-Path -LiteralPath $Project)) {
+  throw "Project folder not found: $Project"
+}
+
+if (-not (Test-Path -LiteralPath $Launcher)) {
+  throw "Launcher not found: $Launcher"
+}
+
+Write-Host "Starting Brain H5..."
+Write-Host "Project: $Project"
+Write-Host "Url: $Url"
+
+$server = [System.Diagnostics.ProcessStartInfo]::new()
+$server.FileName = "cmd.exe"
+$server.Arguments = "/k `"$Launcher`""
+$server.WorkingDirectory = $Project
+$server.WindowStyle = [System.Diagnostics.ProcessWindowStyle]::Minimized
+$server.UseShellExecute = $true
+[System.Diagnostics.Process]::Start($server) | Out-Null
+
+$deadline = (Get-Date).AddMinutes(6)
+do {
+  try {
+    $response = Invoke-WebRequest -UseBasicParsing -Uri $Url -TimeoutSec 2
+    if ($response.StatusCode -eq 200) {
+      Write-Host "Brain H5 is ready. Opening browser..."
+      Start-Process $Url
+      exit 0
+    }
+  } catch {
+    Start-Sleep -Seconds 1
+  }
+} while ((Get-Date) -lt $deadline)
+
+Write-Host ""
+Write-Host "Startup timed out. Check the minimized server window for errors."
+Write-Host "You can also open this URL after the server is ready: $Url"
+exit 1