npm 없으면 설치

install-pi.ps1

@@ -79,7 +79,37 @@ function ErrExit { Write-Host "[ERROR] $args" -ForegroundColor Red; exit 1 }
 Info "Platform: $([System.Environment]::OSVersion.Platform) ($([System.Environment]::GetEnvironmentVariable('PROCESSOR_ARCHITECTURE')))"
 
 if (-not (Get-Command npm -ErrorAction SilentlyContinue)) {
-    ErrExit "npm is required. Install Node.js 18+: https://nodejs.org/"
+    Info "npm is not installed. Installing Node.js (includes npm) via winget..."
+
+    if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
+        ErrExit "Neither npm nor winget is available. Install Node.js 18+ manually: https://nodejs.org/"
+    }
+
+    winget install --id OpenJS.NodeJS.LTS --accept-package-agreements --accept-source-agreements 2>&1 | Out-Null
+
+    # Refresh PATH and verify npm is now available
+    $env:Path = [System.Environment]::GetEnvironmentVariable('Path', 'User') + ';' + [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
+
+    if (-not (Get-Command npm -ErrorAction SilentlyContinue)) {
+        # Search common Node.js install paths
+        $nodePaths = @(
+            (Join-Path $env:ProgramFiles 'nodejs'),
+            (Join-Path $env:ProgramFiles(x86) 'nodejs'),
+            (Join-Path $env:LOCALAPPDATA 'Programs\nodejs')
+        )
+        foreach ($np in $nodePaths) {
+            if ((Test-Path $np) -and ($env:Path -notlike "*$np*")) {
+                $env:Path = "$np;$env:Path"
+                break
+            }
+        }
+    }
+
+    if (-not (Get-Command npm -ErrorAction SilentlyContinue)) {
+        ErrExit "Node.js installation completed but npm not found. Please restart your terminal and run this script again."
+    }
+
+    Success "Node.js installed via winget"
 }
 
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