Mohammad Shariatbagheri enhanced the google/langextract repository by implementing UTF-8 encoding support for file operations, addressing the need for reliable handling of non-ASCII characters and right-to-left languages such as Persian and Arabic. Using Python, he focused on data processing and file handling to align the project with internationalization standards, reducing encoding-related errors and supporting broader locale coverage. His work improved the stability and accuracy of multilingual file input and output, paving the way for expanded adoption in diverse linguistic contexts. The changes were fully documented and traceable, reflecting a focused and technically sound approach within a one-month development period.