- Fix doctest import paths to use calendar_backend::config::CalDAVConfig - Add proper Result handling in doctest example with ?operator - All doctests now passing (3/3) - Complete test coverage: 7 unit + 9 integration + 3 doc = 19 tests 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>