npm本地化

enviroment-check.ps1

@@ -76,16 +76,40 @@ Write-Host 'Checking npm (local)...' -ForegroundColor Yellow
 # 使用已验证的 nodeDir 构建 npm 路径，确保检查正确
 $npmCliPath = Join-Path $nodeDir 'node_modules\npm\bin\npm-cli.js'
 $npmCmd = Join-Path $nodeDir 'npm.cmd'
-if (Test-Path $npmCliPath) {
-    # 已安装，跳过
+if (-not (Test-Path $npmCmd)) { $npmCmd = $null }
+$nodeModulesPath = Join-Path $nodeDir 'node_modules'
+$npmBackupDir = Join-Path $scriptRoot ('nodejs\dependences\' + $arch + '\backup')
+$npmBackupNpmDir = Join-Path $npmBackupDir 'npm'
+New-Item -ItemType Directory -Force -Path $npmBackupDir | Out-Null
+
+$npmHealthy = $false
+if ((Test-Path $npmCliPath) -and $npmCmd) {
     $npmVersion = & $npmCmd --version 2>$null
     if ($npmVersion) {
+        $npmHealthy = $true
         Write-Host ('[OK] npm: ' + $npmVersion + ' (already installed)') -ForegroundColor Green
-    } else {
-        Write-Host '[OK] npm already installed' -ForegroundColor Green
     }
-} else {
-    Write-Host '[X] npm not found in node_modules' -ForegroundColor Red
+}
+
+if (-not $npmHealthy) {
+    Write-Host '[WARN] npm missing or broken, trying backup restore first...' -ForegroundColor Yellow
+    if (Test-Path $npmBackupNpmDir) {
+        New-Item -ItemType Directory -Force -Path $nodeModulesPath | Out-Null
+        $nodeNpmDir = Join-Path $nodeModulesPath 'npm'
+        if (Test-Path $nodeNpmDir) { Remove-Item -LiteralPath $nodeNpmDir -Recurse -Force }
+        Copy-Item -LiteralPath $npmBackupNpmDir -Destination $nodeModulesPath -Recurse -Force
+        if ((Test-Path $npmCliPath) -and $npmCmd) {
+            $npmVersion = & $npmCmd --version 2>$null
+            if ($npmVersion) {
+                $npmHealthy = $true
+                Write-Host ('[OK] npm restored from backup: ' + $npmVersion) -ForegroundColor Green
+            }
+        }
+    }
+}
+
+if (-not $npmHealthy) {
+    Write-Host '[WARN] Backup restore failed, installing/downloading npm...' -ForegroundColor Yellow
     $installNpmBat = Join-Path $nodeDir 'install-npm.bat'
     if (Test-Path $installNpmBat) {
         Write-Host 'Running install-npm.bat to install npm...' -ForegroundColor Yellow
@@ -98,7 +122,13 @@ if (Test-Path $npmCliPath) {
             Write-Host '[X] npm-cli.js still missing after install. Check network or run install-npm.bat manually.' -ForegroundColor Red
             exit 1
         }
-        Write-Host '[OK] npm installed' -ForegroundColor Green
+        $npmVersion = & $npmCmd --version 2>$null
+        if (-not $npmVersion) {
+            Write-Host '[X] npm installed but still unusable' -ForegroundColor Red
+            exit 1
+        }
+        $npmHealthy = $true
+        Write-Host ('[OK] npm installed: ' + $npmVersion) -ForegroundColor Green
         $generateScript = Join-Path $scriptRoot 'nodejs\dependences\generate-nodejs-dependencies.js'
         if (Test-Path $generateScript) {
             Write-Host 'Running generate-nodejs-dependencies.js...' -ForegroundColor Yellow
@@ -113,6 +143,12 @@ if (Test-Path $npmCliPath) {
     }
 }
 
+if ($npmHealthy -and (Test-Path (Join-Path $nodeModulesPath 'npm'))) {
+    if (Test-Path $npmBackupNpmDir) { Remove-Item -LiteralPath $npmBackupNpmDir -Recurse -Force }
+    Copy-Item -LiteralPath (Join-Path $nodeModulesPath 'npm') -Destination $npmBackupDir -Recurse -Force
+    Write-Host ('[OK] npm backup synced: ' + $npmBackupNpmDir) -ForegroundColor Green
+}
+
 # Use domestic npm registry for all subsequent npm operations
 if ($npmCmd) {
     Push-Location $scriptRoot