During April 2026, Dalian Mao enhanced the NousResearch/hermes-agent repository by improving the WeCom adapter’s ability to process attachments from the WeCom AI Bot. Using Python and leveraging skills in API integration and backend development, Dalian addressed an issue where appmsg attachments were losing filenames and file content, particularly for PDFs, Word documents, Excel files, and images. The solution involved robust message handling to extract both the title and content from various formats, ensuring end-to-end data integrity. This work reduced downstream errors and improved analytics reliability, demonstrating thoughtful engineering depth in cross-format parsing and secure data transfer workflows.