Alzbeta Pokorna contributed to the oarepo/oarepo-runtime repository by delivering a focused schema refinement in December 2024. She removed the 'access' field from the RDMRecordMixin, simplifying the data model and clarifying access semantics for downstream consumers. This change was implemented in Python and involved backend development and schema definition skills, culminating in a version bump to 1.5.81 to signal the update. The work addressed potential misconfiguration issues related to access control and improved maintainability. While the contribution was limited to a single feature over one month, it demonstrated careful attention to data model clarity and downstream compatibility requirements.