fix(codebase audit): preserve cleanup without regressions

Fix codebase audit regressions while preserving UI/UX behavior and adding review-driven hardening.

src/modules.d.ts

@@ -3,8 +3,4 @@ declare module '*.module.css' {
   export default classes;
 }
 
-declare module 'lodash';
-
-declare module 'react-draggable';
-
 declare module 'react-router-hash-link';