Description

Configure testing framework for unit and integration tests.

Tasks

• Install vitest and @testing-library/react
• Configure vitest for edge runtime compatibility
• Create example test to verify setup
• Add test scripts to package.json

Acceptance Criteria

• Vitest configured and working
• Can run tests with npm test
• Example test passes
• Testing works with edge runtime constraints

Technical Notes

• Configure vitest to handle TypeScript
• Set up test environment for React components
• Consider miniflare for Worker-specific testing

Related TODO.md lines: 26