Updated CLAUDE.md with detailed iCloud sync and platform-specific documentation.
Changes
- Documented separate build targets and schemes for iOS and macOS to streamline development.
- Introduced a new section on iCloud sync architecture for improved user experience.
- Updated project structure to include new files relevant to platform-specific features.
- Documented platform-specific entitlements required for iCloud functionality.
- Provided build commands for each platform to simplify setup and deployment.
- Revised Future Considerations to address potential enhancements regarding sync capabilities.