Function mk

test/skill-failures.test.ts:59–60

(tool: string, sig: string, count = 4, tasks = 3)

describe('buildLesson / buildLessonsBlock — deterministic, targeted, bounded', () => {
  const mk = (tool: string, sig: string, count = 4, tasks = 3) =>
    ({ signature: `${tool}|${sig}`, tool, count, distinctTasks: tasks, sample: sig });

  it('symbol-not-found → "confirm the symbol exists"', () => {
    expect(buildLesson(mk('edit_symbol', 'cannot find symbol'))).toMatch(/confirm the symbol exists/i);