File multiStore.test.ts

src/services/SessionMemory/__tests__/multiStore.test.ts:None–None

import { describe, test, expect, beforeEach, afterEach } from 'bun:test'
import { mkdtempSync, rmSync, writeFileSync, existsSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'