npm修复

enviroment-check.ps1

@@ -103,12 +103,12 @@ if ((Test-Path $npmCliPath) -and $npmCmd) {
 }
 
 if (-not $npmHealthy) {
-    Write-Host '[WARN] npm missing; trying backup...' -ForegroundColor Yellow
+    Write-Host '[WARN] npm missing or broken; restoring from nodejs\backup\npm (robocopy)...' -ForegroundColor Yellow
     if (Test-Path $npmBackupNpmDir) {
         New-Item -ItemType Directory -Force -Path $nodeModulesPath | Out-Null
         $nodeNpmDir = Join-Path $nodeModulesPath 'npm'
         if (-not (Sync-DirRobocopyMirror -SourceDir $npmBackupNpmDir -DestDir $nodeNpmDir)) {
-            Write-Host '[WARN] npm restore from backup (robocopy) failed' -ForegroundColor Yellow
+            Write-Host '[WARN] npm restore from nodejs\backup\npm failed (robocopy exit >= 8 or locks)' -ForegroundColor Yellow
         }
         if ((Test-Path $npmCliPath) -and $npmCmd) {
             $npmVersion = & $npmCmd --version 2>$null