feat: Refactor utility and component exports, update dependencies, and add Knip for unused code detection.

frontend/src/app/useDetailPanel.ts

@@ -1,6 +1,6 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
 
-export interface DetailDocument {
+interface DetailDocument {
   id?: string;
   [key: string]: unknown;
 }
@@ -102,5 +102,3 @@ export const useDetailPanel = ({
     setDetailPanelOpen,
   };
 };
-
-export default useDetailPanel;