Add CLAUDE.md for AI assistant guidance. Add documentation
for PR split plan, implementation checklist, and recurrence
feature specifications.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This repository was forked from Drive in late December 2025 and
boostraped as a minimal demo of backend+caldav server+frontend
integration. There is much left to do and to fix!
