Worked on the n8n-io/n8n repository to enhance the stability and configuration robustness of the Weaviate Vector Store integration. Focused on improving default value handling by replacing ambiguous undefined defaults with explicit empty strings or undefined, ensuring predictable behavior when users omit configuration options. This approach reduced the risk of misconfiguration and minimized potential runtime errors in vector storage workflows. Demonstrated careful defensive programming and attention to detail in managing default values within Node.js and TypeScript code paths. The work contributed to greater reliability and a smoother developer experience for those integrating Weaviate Vector Store using full stack TypeScript development practices.