1import test from "node:test";2import assert from "node:assert/strict";3import { copyConfirmationProgress } from "../src/stage.js";45test("copy confirmation rises through a bounded 900ms window", () => {6 assert.equal(copyConfirmationProgress(1000, 1000), 0);7 assert.equal(copyConfirmationProgress(1450, 1000), 0.5);8 assert.equal(copyConfirmationProgress(1900, 1000), 1);9 assert.equal(copyConfirmationProgress(2200, 1000), 1);10});