File agent-service.test.ts

apps/server/tests/unit/services/agent-service.test.ts:None–None

import { describe, it, expect, vi, beforeEach } from 'vitest';
import { AgentService } from '@/services/agent-service.js';
import { ProviderFactory } from '@/providers/provider-factory.js';
import * as fs from 'fs/promises';