import { describe, it, expect } from 'vitest'; describe('SkillLevelService', () => { describe('happy paths', () => { it('should calculate skill level correctly', () => { // TODO: Implement test }); }); describe('failure modes', () => { it('should handle skill level calculation errors', () => { // TODO: Implement test }); }); describe('retries', () => { it('should retry skill level calculation on transient failures', () => { // TODO: Implement test }); }); describe('fallback logic', () => { it('should use default skill level when calculation fails', () => { // TODO: Implement test }); }); describe('aggregation logic', () => { it('should aggregate performance data correctly', () => { // TODO: Implement test }); }); describe('decision branches', () => { it('should handle different skill level configurations', () => { // TODO: Implement test }); }); });