reason: Frontend JSP/CSS conventions and pre-development checklist for UI changes.


reason: Confirms JSP/static asset layout and forbidden SPA conventions.


reason: JSP fragments, forms, tables, and reusable UI conventions affected by translation.


reason: JSP/Servlet display contracts and safe rendering guidance while changing visible text.


reason: Frontend quality bar for preserving JSP/CSS behavior and accessibility basics.


reason: Server-generated UI messages must remain safe and user-facing.


reason: Layer boundary constraints for any controller/service message changes.