File agent.test.ts

packages/core/src/agent.test.ts:None–None

import { existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import path from 'node:path';
import type { AgentEvent, AgentMessage, AgentOptions } from '@mariozechner/pi-agent-core';