# Run as Administrator to map zblockchainsystem.com to this PC (local Z portal on :3002)
$marker = '# Z Ecosystem only'
$hostsPath = "$env:SystemRoot\System32\drivers\etc\hosts"
$line = '127.0.0.1 zblockchainsystem.com www.zblockchainsystem.com rpc.zblockchainsystem.com explorer.zblockchainsystem.com'
$content = Get-Content $hostsPath -Raw
if ($content -match [regex]::Escape($marker)) {
  Write-Host 'Z hosts entries already present.'
  exit 0
}
Add-Content -Path $hostsPath -Value "`n$marker`n$line"
Write-Host 'Added zblockchainsystem.com -> 127.0.0.1'
Write-Host 'Open: http://zblockchainsystem.com:3002/z'