Worked on the symfony/ai-store repository to deliver Chroma DB persistence of original document content, focusing on enhancing data fidelity and metadata handling. Extended the add method to store originalDocuments, ensuring accurate alignment between stored and source content. Refactored the Metadata component by introducing constants and dedicated accessors for fields such as _parent_id, _text, and _source, which improved data handling, readability, and testability. Emphasized robust unit testing and backend development practices using PHP, with careful attention to database integration. The work increased reliability and searchability within Chroma DB, supporting richer queries and analytics for downstream applications and future enhancements.