import * as Schema from "effect/Schema";import { describe, expect, it } from "vite-plus/test"; import { FilesystemBrowseError } from "./filesystem.ts"; describe("FilesystemBrowseError", () => {  it("derives a stable message from browse context while retaining the cause", () => {    const cause = new Error("sensitive filesystem detail");    const error = new FilesystemBrowseError({      cwd: "/workspace",      partialPath: "./src/mai",      failure: "read_directory_failed",      parentPath: "/workspace/src",      cause,    });     expect(error.message).toBe("Failed to browse filesystem path './src/mai' from '/workspace'.");    expect(error.message).not.toContain(cause.message);    expect(error.cause).toBe(cause);  });   it("decodes legacy message-only errors during rolling upgrades", () => {    const decodeError = Schema.decodeUnknownSync(FilesystemBrowseError);    const error = decodeError({      _tag: "FilesystemBrowseError",      message: "Legacy filesystem browse failure.",    });     expect(error.message).toBe("Legacy filesystem browse failure.");    expect(error.partialPath).toBeUndefined();    expect(error.failure).toBeUndefined();  });});