File webviewMessageHandler.checkpoint.spec.ts

src/core/webview/__tests__/webviewMessageHandler.checkpoint.spec.ts:None–None

import { describe, it, expect, vi, beforeEach } from "vitest"
import pWaitFor from "p-wait-for"
import { webviewMessageHandler } from "../webviewMessageHandler"
import { saveTaskMessages } from "../../task-persistence"