Subho Halder developed a read-only mode for inactive vulnerabilities in the appknox/irene repository, enhancing data integrity and standardizing the handling of deprecated items. Using Ember.js and Glimmer Components with JavaScript and TypeScript, Subho ensured that only active vulnerabilities could be edited, while inactive ones were visually distinguished and protected from modification. The implementation included clear audit traceability by linking changes to specific commits, supporting compliance and review processes. This feature improved the vulnerability lifecycle workflow by reducing the risk of accidental data corruption and fostering user trust, reflecting a focused approach to frontend development and robust application testing.