PowerShell Retry with Exponential Backoff and Jitter

function Invoke-WithRetry {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory)][scriptblock]$Action,
        [int]$MaxAttempts = 5,
        [double]$BaseDelay = 0.5,
        [double]$MaxDelay = 30
    )
    for ($attempt = 1; ; $attempt++) {
        try { return & $Action }
        catch {
            if ($attempt -ge $MaxAttempts) { throw }
            $expo = [Math]::Min($MaxDelay, $BaseDelay * [Math]::Pow(2, $attempt - 1))
            $delay = $expo * (0.5 + [Random]::new().NextDouble() / 2)  # 50-100% jitter
            Start-Sleep -Milliseconds ([int]($delay * 1000))
        }
    }
}