The perceived simplicity or complexity of the `queryEngine.ts` component.

This issue, while a question rather than an error, reveals a developer's expectation regarding the complexity of a core component, `queryEngine.ts`. The implicit surprise at its relatively small size ('only a thousand lines of code') suggests an assumption that a 'query engine' for an AI system would be significantly more complex. This highlights a potential disconnect between external perceptions of AI system architecture and internal implementation realities. For SaaS products, this indicates that developers are scrutinizing the underlying code, seeking to understand efficiency and design choices. It implies a market where transparency into core logic, or at least clear architectural explanations, can build trust and facilitate adoption, especially for open-source or 'leaked' codebases.