- Modified test cases in `storage_test.go` to generate unique file IDs using UUIDs, ensuring no conflicts during tests.
- Updated the download test for non-existent files to utilize a UUID-based identifier, enhancing test reliability.
- Enhanced error handling in the S3 storage implementation by including the fileID in error messages for upload, upload chunk, merge chunks, and download operations. This change provides clearer context for debugging and improves the overall error reporting mechanism.
- Updated the API to include new upload options for handling different storage types: chat, knowledge, and assets.
- Improved group building logic for attachment uploads based on user, chat, and assistant IDs.
- Removed deprecated attachment files and refactored related code to streamline the attachment management process.
- Enhanced error handling for required fields in upload options, ensuring better validation and user feedback.
