import { describe, it, expect } from 'vitest';import { normalizeLessonText } from '../tools/prr/state/lessons-normalize.js'; // Tests for normalizeLessonText behavior// Uses sanitizeLessonText as the public API (see normalize-lesson-text.test.ts for real tests) describe('normalizeLessonText', () => {  const normalize = (text: string) => normalizeLessonText(text);   it('should remove markdown code fences', () => {    const result = normalize('Some lesson with ```typescript\ncode\n``` embedded');    expect(result).not.toBeNull();    expect(result).not.toContain('```');  });   it('should preserve inline code backticks', () => {    const result = normalize('Use `execSync` with shell false');    expect(result).not.toBeNull();    expect(result).toBe('Use `execSync` with shell false');  });   it('should preserve URLs', () => {    const result = normalize('Check https://example.com for details about the fix');    expect(result).not.toBeNull();    expect(result).toContain('https://example.com');  });   it('should normalize "made no changes" variants', () => {    const input = 'tool made no changes without explanation';    const result = normalize(input);    expect(result).not.toBeNull();    expect(result).toContain('made no changes');  });   it('should normalize "made no changes" with missing separator before trying', () => {    const input = 'tool made no changestrying different approach';    const result = normalize(input);    expect(result).not.toBeNull();    expect(result).toContain('made no changes - ');  });   it('should normalize "made no changes" with missing separator before already', () => {    const input = 'fixer made no changes  already includes all runners';    const result = normalize(input);    expect(result).not.toBeNull();    expect(result).toContain('made no changes - already');  });   it.todo('should trim and cleanup trailing colons/dashes');  it.todo('should remove (inferred) artifacts');  it.todo('should collapse multiple hyphens');});