CLAUDE.md@tests/e2e/fixtures/complex-existing-config git:20260329.4ffe54eA

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# Project Instructions

## Overview
This is a TypeScript utility library with Vitest tests.

## Commands
| Command | Purpose |
|---------|---------|
| npm run build | Compile TypeScript |
| npm run test | Run Vitest tests |
| npm run lint | Run ESLint |

## Code Style
- Use TypeScript strict mode
- Prefer named exports
- Tests go in tests/ directory