Resume Codex on Windows pwsh (PowerShell 7) Admin.

pwsh.ps1

# Codex auto-resume (latest session)
function Get-LatestCodexSessionId {
    $sessionsRoot = Join-Path $env:USERPROFILE ".codex\sessions"
    if (-not (Test-Path $sessionsRoot)) {
        return $null
    }

    $latest = Get-ChildItem -Path $sessionsRoot -Recurse -Filter "*.jsonl" |
        Sort-Object LastWriteTime -Descending |
        Select-Object -First 1
    if (-not $latest) {
        return $null
    }

    if ($latest.Name -match '([0-9a-fA-F-]{36})\.jsonl$') {
        return $Matches[1]
    }

    return $null
}

if (-not $env:CODEX_AUTO_RESUME -or $env:CODEX_AUTO_RESUME -ne "0") {
    if (Get-Command codex -ErrorAction SilentlyContinue) {
        $latestSessionId = Get-LatestCodexSessionId
        if ($latestSessionId) {
            codex resume $latestSessionId
        }
    }
}