Over a two-month period, contributed targeted stability and reliability improvements to the AFFiNE and hoppscotch repositories. Focused on enhancing PDF export workflows in AFFiNE, addressing dark mode readability and ensuring consistent rendering of code blocks, images, and fonts by synchronizing asset loading and resolving lazy-loading and iframe issues using CSS and TypeScript. In hoppscotch, improved backend validation for published document environments by implementing existence checks, access verification, and more precise error feedback, thereby strengthening security and user experience. Demonstrated a methodical approach to bug fixing, emphasizing robust testing and cross-browser consistency across both front end and backend development tasks.