param(
    [string]$BundlePath
)

if (-not $BundlePath) {
    $root = git rev-parse --show-toplevel
    $BundlePath = "$root/work/kai-bundle.json"
}

if (-not (Test-Path $BundlePath)) {
    Write-Host "NEIN - Bundle nicht gefunden: $BundlePath"
    exit 1
}

$b = Get-Content $BundlePath -Raw | ConvertFrom-Json

Write-Host "Lock:    $($b.manifest.lockToken)"
Write-Host "Expires: $($b.manifest.expiresAt)"
Write-Host ""
Write-Host "--- CONTEXTS ---"
$b.contexts | Where-Object { -not $_.deletedAt } | Sort-Object sortOrder | ForEach-Object {
    $prefix = if ($_.id.Length -ge 8) { $_.id.Substring(0, 8) } else { $_.id }
    Write-Host ("  [{0}] {1} ({2})" -f $prefix, $_.name, $_.type)
}
Write-Host ""
Write-Host "--- TOPICS (active) ---"
$b.topics | Where-Object { $_.status -eq 'active' -and -not $_.deletedAt } | Sort-Object contextId, sortOrder | ForEach-Object {
    $prefix = if ($_.id.Length -ge 8) { $_.id.Substring(0, 8) } else { $_.id }
    Write-Host ("  [{0}] {1}" -f $prefix, $_.title)
}