import type { EnvironmentApi, PreviewSessionSnapshot, ScopedThreadRef } from "@t3tools/contracts";import { describe, expect, it, vi } from "vite-plus/test"; import { openPreviewSession } from "./openPreviewSession"; const threadRef = {  environmentId: "local" as ScopedThreadRef["environmentId"],  threadId: "thread-1" as ScopedThreadRef["threadId"],}; const snapshot: PreviewSessionSnapshot = {  threadId: threadRef.threadId,  tabId: "tab-1",  navStatus: {    _tag: "Loading",    url: "https://t3.chat/",    title: "",  },  canGoBack: false,  canGoForward: false,  updatedAt: "2026-06-11T23:00:00.000Z",}; describe("openPreviewSession", () => {  it("applies the RPC response without waiting for a preview event", async () => {    const open = vi.fn(async () => snapshot);    const applyServerSnapshot = vi.fn();    const rememberUrl = vi.fn();     await openPreviewSession({      previewApi: { open } as Pick<EnvironmentApi["preview"], "open">,      threadRef,      url: "t3.chat",      applyServerSnapshot,      rememberUrl,    });     expect(open).toHaveBeenCalledWith({ threadId: "thread-1", url: "t3.chat" });    expect(applyServerSnapshot).toHaveBeenCalledWith(threadRef, snapshot);    expect(rememberUrl).toHaveBeenCalledWith(threadRef, "https://t3.chat/");  });});