- Added EXTENSION_MIME_MAP to config.py for centralized MIME type mapping.
- Updated countfiles.py to utilize centralized MIME types for file counting.
- Refactored db_utils.py to import EXTENSION_MIME_MAP and added get_mime_from_mediainfo function for better MIME type determination.
- Enhanced file_utils.py with prefix matching for S3 files and JSON references.
- Improved logging in logging_config.py for better error tracking.
- Added security checks in main.py for development environment imports.
- Updated validation_utils.py to include stricter extension validation and improved error handling.
- Introduced new instructions for developers in .github/copilot-instructions.md for project setup and coding standards.