- Updated UserOrGuestID method to return guest status alongside user ID.
- Introduced UploadOption struct to encapsulate additional upload parameters, including public visibility and collection ID.
- Enhanced handleUpload method to validate collection ID for knowledge storage and improved error handling.
- Updated GetHeader function to include file size in the header processing.
- Implemented content fingerprinting for file deduplication and added support for upload status tracking.
- Enhanced README documentation to reflect new features and usage examples for file uploads and deduplication.
- Added the jsonrepair package to go.mod for enhanced JSON handling capabilities.
- Removed unused dependencies from go.mod and updated existing ones for better performance.
- Refactored file upload and download methods in the neo package to return nil values, indicating a temporary placeholder for future implementation.
- Updated the Message struct to use the new attachment package for better organization of file attachments.
