File custom-tools-directory-picker.test.ts

e2e/local/custom-tools-directory-picker.test.ts:None–None

// Local-only: custom tool local-directory sources can browse the user's own
// filesystem through the local app. The shared self-host target intentionally
// does not expose this source kind.
import { mkdtempSync, mkdirSync, rmSync, writeFileSync } from "node:fs";