During July 2025, Haonan Liu focused on improving reliability and clarity across two repositories by addressing critical bugs. In the awslabs/amazon-bedrock-agentcore-samples repository, Haonan corrected a formatting issue in Python code that affected AWS ECR IAM role permissions, reducing deployment risks related to syntax errors. Additionally, in the strands-agents/docs repository, Haonan updated documentation written in Markdown to accurately reflect the correct API usage for LLM interactions, ensuring developers reference agent.tool.use_llm() as intended. This work demonstrated careful attention to code hygiene, Python debugging, and documentation governance, contributing to smoother onboarding and fewer support issues for downstream users.