import { describe, expect, it } from "@effect/vitest"; import {  mixThemePreviewBase,  STANDARD_THEME_PREVIEW_COLORS,  THEME_PREVIEW_RENDER_SPECS,} from "./themePreview.js"; describe("theme preview", () => {  it("keeps the desktop preview geometry stable across clients", () => {    expect(THEME_PREVIEW_RENDER_SPECS.light!.accent.center).toEqual([0.72, 0.22]);    expect(THEME_PREVIEW_RENDER_SPECS.dark!.accent.middleOpacity).toBe(0.62);    expect(THEME_PREVIEW_RENDER_SPECS.dark!.action.center).toEqual([0.82, 0.18]);  });   it("mixes the standard canvas bases in OKLab", () => {    expect(mixThemePreviewBase(STANDARD_THEME_PREVIEW_COLORS.light!, "light")).toBe("#fdfdfd");    expect(mixThemePreviewBase(STANDARD_THEME_PREVIEW_COLORS.dark!, "dark")).toBe("#0a0a0a");  });});