Worked on backend authentication and documentation improvements across two repositories. In camptocamp/c2cgeoportal, developed a security enhancement that blocks deactivated users from logging in or changing passwords, while logging unauthorized access attempts to strengthen audit trails. This feature was implemented in Python and maintained backward compatibility by isolating changes to backend logic, ensuring the user-facing experience remained unchanged. Later, contributed to CommanderStorm/martin by expanding documentation for multi-database configuration, providing practical YAML examples and aligning with previous developer inquiries. These updates clarified environment setup for new contributors and improved repository maintainability through explicit, example-driven documentation and clear cross-references.