Worked on the solrbot/apache-_-solr repository to deliver the MatchedQueriesComponent, a feature designed to enhance search transparency by providing per-document visibility into which named sub-queries matched each result. Leveraging Java and Solr, the implementation introduced a new local parameter and integrated with org.apache.lucene.search.NamedMatches to identify and report matched sub-queries. The approach included expanding YAML-based configurations and developing comprehensive tests to ensure reliability and maintainability. No major bug fixes were reported during this period, with the primary focus on building robust search engine functionality and improving the debugging process for complex queries through detailed match information.