Karthik Vanka developed the initial security planning and threat modeling documentation for the persistency feature in the qorix-group/score repository. He applied structured project planning and security analysis techniques, using reStructuredText to deliver a STRIDE-based assessment that identified potential risks and outlined mitigation strategies. His work established clear security requirements and created traceable artifacts linked to specific commits, ensuring alignment with future development. By focusing on documentation and proactive risk management, Karthik laid a solid foundation for secure persistence implementation. The depth of his analysis and the clarity of his documentation positioned the project for a robust and review-ready development cycle.