The previous commit referenced nonexistent files (navigation-repository.contract.ts, tests/get-header.feature.test.ts). The actual contract is header-repository.contract.ts and navigation has no tests/ directory yet. Also adds nav-item.factory.ts to the factories bullet (created in Task 3). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>