$files = @("index.html", "styles.css", "app.js", "README.md")
$missing = @()

foreach ($file in $files) {
  if (-not (Test-Path $file)) {
    $missing += $file
  }
}

if ($missing.Count -gt 0) {
  Write-Host "Missing files: $($missing -join ', ')" -ForegroundColor Red
  exit 1
}

Write-Host "Smoke check passed." -ForegroundColor Green