param([Parameter(Mandatory = $true)][string]$ConfigPath)
$ErrorActionPreference = 'Stop'
. (Join-Path $PSScriptRoot 'mail-common.ps1')
$context = Get-MailContext -ConfigPath $ConfigPath
$db = Open-MailDatabase $context
try {
    $command = $db.CreateCommand()
    $command.CommandText = 'SELECT COUNT(*) FROM [TemplateVersion]'
    if ([int]$command.ExecuteScalar() -ne 1) { throw 'Expected exactly one validated template' }
    Write-Output 'Invalid imports left template count unchanged'
}
finally { $db.Dispose() }