修复本地服务启动脚本

scripts/serve.ps1

@@ -1,67 +1,55 @@
-# serve.ps1 - 开发服务器启动脚本
-Write-Host "=== 启动开发服务器 ===" -ForegroundColor Cyan
+# serve.ps1 - development server launcher
+Write-Host "=== Start Dev Server ===" -ForegroundColor Cyan
 Write-Host ""
 
-# 检查是否已构建
 if (-not (Test-Path "public/wasm/smart_math.js")) {
-    Write-Host "[!] 未找到 WASM 文件，正在构建..." -ForegroundColor Yellow
+    Write-Host "[!] WASM output not found, building first..." -ForegroundColor Yellow
     & "$PSScriptRoot\build.ps1"
 
     if (-not (Test-Path "public/wasm/smart_math.js")) {
-        Write-Host "[✗] 构建失败，无法启动服务器" -ForegroundColor Red
+        Write-Host "[x] Build failed, cannot start server" -ForegroundColor Red
         exit 1
     }
 }
 
-# 检查 Python
-try {
-    python --version 2>&1 | Out-Null
-    $hasPython = $true
-} catch {
-    $hasPython = $false
-}
-
-if (-not $hasPython) {
-    Write-Host "[!] 未找到 Python，尝试使用系统 Python..." -ForegroundColor Yellow
-    
-    # 尝试常见的 Python 路径
-    $pythonPaths = @(
+$pythonCommand = $null
+$pythonCandidates = @(
     "python",
-        "python3",
     "py",
+    "python3",
     "C:\Python39\python.exe",
     "C:\Python38\python.exe",
     "C:\Python37\python.exe"
-    )
+)
 
-    foreach ($path in $pythonPaths) {
+foreach ($candidate in $pythonCandidates) {
     try {
-            & $path --version 2>&1 | Out-Null
-            $env:PATH = "$(Split-Path $path -ErrorAction SilentlyContinue);$env:PATH"
-            $hasPython = $true
-            Write-Host "[✓] 找到 Python: $path" -ForegroundColor Green
+        & $candidate --version 2>&1 | Out-Null
+        if ($LASTEXITCODE -eq 0) {
+            $pythonCommand = $candidate
+            Write-Host "[ok] Python found: $candidate" -ForegroundColor Green
             break
+        }
     } catch {
         continue
     }
-    }
 }
 
-if (-not $hasPython) {
-    Write-Host "[✗] 未找到 Python，请安装 Python 3.7+ 并添加到 PATH" -ForegroundColor Red
+if (-not $pythonCommand) {
+    Write-Host "[x] Python 3.7+ not found in PATH" -ForegroundColor Red
     exit 1
 }
 
-# 启动服务器
-Write-Host "[ ] 启动开发服务器..." -ForegroundColor Cyan
-Write-Host ""
-Write-Host "🌐 服务器信息:" -ForegroundColor White
-Write-Host "├─ 地址: http://localhost:8080" -ForegroundColor Cyan
-Write-Host "├─ 目录: $(Resolve-Path "public")" -ForegroundColor Gray
-Write-Host "├─ 主页: /smart_test.html" -ForegroundColor Gray
-Write-Host "└─ 按 Ctrl+C 停止服务器" -ForegroundColor Yellow
-Write-Host ""
-Write-Host ("─" * 50) -ForegroundColor DarkGray
+$publicDir = Resolve-Path "public"
 
-Set-Location "public"
-python -m http.server 8080
+Write-Host "[ ] Starting dev server..." -ForegroundColor Cyan
+Write-Host ""
+Write-Host "Server info:" -ForegroundColor White
+Write-Host " - URL: http://localhost:8080" -ForegroundColor Cyan
+Write-Host " - Root: $publicDir" -ForegroundColor Gray
+Write-Host " - Home: /smart_test.html" -ForegroundColor Gray
+Write-Host " - Stop: Ctrl+C" -ForegroundColor Yellow
+Write-Host ""
+
+Set-Location $publicDir
+& $pythonCommand -m http.server 8080