- Introduced initUpload function to initialize upload settings for chat and knowledge attachments.
- Updated Upload struct to include specific settings for chat and knowledge uploads.
- Implemented RegisterDefault and ReplaceEnv methods in the attachment manager for better configuration management.
- Enhanced error handling during the upload initialization process to ensure robust functionality.
- 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.
