/**
 * Kill a process and all its children by sending SIGKILL to the process group.
 * Falls back to killing just the process if process group kill fails.
 */
export function killProcessTree(pid) {
    try {
        // Kill the entire process group (negative pid)
        process.kill(-pid, "SIGKILL");
    }
    catch {
        try {
            process.kill(pid, "SIGKILL");
        }
        catch {
            // Process already exited
        }
    }
}
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