# rig45_down.ps1 -- tear down ONLY the PIDs rig45_up.ps1 recorded.
# Deliberately does NOT use Get-Process -Name / Stop-Process by name: a blanket
# name kill once destroyed a live tester session.  If a PID has been recycled to
# a different image, it is skipped.

$ErrorActionPreference = 'Continue'
$scratch = 'C:\Users\EPILECTRIK\AppData\Local\Temp\claude\C--git-bt411\89ab96e9-6cf0-4555-939d-05bf3708745a\scratchpad'
$pidfile = Join-Path $scratch 'rig45_pids.txt'

if (-not (Test-Path $pidfile)) { "no pidfile -- nothing recorded, nothing killed"; exit 0 }

foreach ($line in Get-Content $pidfile) {
    $procId = 0
    if (-not [int]::TryParse($line.Trim(), [ref]$procId)) { continue }
    $p = Get-Process -Id $procId -ErrorAction SilentlyContinue
    if (-not $p) { "pid $procId already gone"; continue }
    # Only kill it if it is still one of the images this rig launches.
    if ($p.ProcessName -notin @('btl4','python')) {
        "pid $procId is now '$($p.ProcessName)' -- PID recycled, SKIPPING"
        continue
    }
    Stop-Process -Id $procId -Confirm:$false -ErrorAction SilentlyContinue
    Start-Sleep -Milliseconds 300
    if (Get-Process -Id $procId -ErrorAction SilentlyContinue) { "pid $procId ($($p.ProcessName)) DID NOT DIE" }
    else { "killed pid $procId ($($p.ProcessName))" }
}
Remove-Item $pidfile -ErrorAction SilentlyContinue
"teardown complete"