import { createClient } from "@rivet-dev/agentos/client";import type { registry } from "./server"; const client = createClient<typeof registry>({ endpoint: "http://localhost:6420" });const agent = client.vm.getOrCreate("my-agent"); const { pid } = await agent.spawn("node", ["/home/agentos/server.js"]); const processStatus = (process: { running: boolean; exitCode?: number | null }) =>  process.running ? "running" : `exited ${process.exitCode ?? ""}`.trim(); // List all processes tracked by the VMconst processes = await agent.listProcesses();for (const p of processes) {  console.log(p.pid, p.command, p.args.join(" "), processStatus(p));} // Inspect a specific process by pidconst info = await agent.getProcess(pid);console.log(processStatus(info), info.exitCode); // Graceful stop (SIGTERM)await agent.stopProcess(pid); // Force kill (SIGKILL)await agent.killProcess(pid);