$SkillsRoot = "e:\workspace\openclaw-voc-skill"
$catPath = Join-Path $SkillsRoot "voc"

Get-ChildItem -Recurse -Filter "api-config.json" -Path $catPath | Select-Object -First 1 | ForEach-Object {
    $filePath = $_.FullName
    Write-Host "File: $filePath"

    $content = Get-Content -Path $filePath -Raw -Encoding UTF8
    Write-Host "Content null: $($null -eq $content)"
    Write-Host "Content length: $($content.Length)"

    $search = '"tokenConfig"'
    Write-Host "Search string length: $($search.Length)"
    Write-Host "Search string chars: $(($search.ToCharArray() | ForEach-Object { [int]$_ }) -join ',')"

    $idx = $content.IndexOf($search)
    Write-Host "IndexOf result: $idx"

    # Also try without quotes
    $idx2 = $content.IndexOf("tokenConfig")
    Write-Host "IndexOf no-quotes: $idx2"
}