File fixes-v0.1.1.test.ts

test/fixes-v0.1.1.test.ts:None–None

import { describe, it, expect } from 'vitest';
import { isBinaryBuffer, hasBinaryExtension } from '../src/utils/binary.js';
import { prepareDiffPreview, UI_MAX_DIFF_BYTES } from '../src/utils/ui-limits.js';