- Add 9 integration tests covering all HTTP endpoints
- Test authentication flow: login, verify, user info
- Test calendar operations: create, delete, list events
- Test event CRUD: create, update, delete, refresh
- Add TestServer utility for automated server setup
- Test both success and error scenarios (401, 400, 404)
- Integration with real CalDAV server using .env credentials
- Fix test module visibility by making handlers public
- Move misplaced unit tests into proper test module
- All tests passing: 7 unit + 9 integration = 16 total
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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