import { homedir } from "node:os";import { join } from "node:path";import { describe, expect, it } from "vitest"; import { expandHomePath } from "./pathExpansion.ts"; describe("expandHomePath", () => {  it("returns an empty string unchanged", () => {    expect(expandHomePath("")).toBe("");  });   it("returns paths without a leading tilde unchanged", () => {    expect(expandHomePath("/absolute/path")).toBe("/absolute/path");    expect(expandHomePath("relative/path")).toBe("relative/path");    expect(expandHomePath("some~weird~path")).toBe("some~weird~path");  });   it("expands a lone tilde to the home directory", () => {    expect(expandHomePath("~")).toBe(homedir());  });   it("expands ~/ to a subpath of the home directory", () => {    expect(expandHomePath("~/.codex-work")).toBe(join(homedir(), ".codex-work"));  });   it("expands a Windows-style ~\\ prefix", () => {    expect(expandHomePath("~\\.codex")).toBe(join(homedir(), ".codex"));  });   it("does not expand ~user paths", () => {    expect(expandHomePath("~alice/foo")).toBe("~alice/foo");  });});