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

frontend/src/documents/documentActions.ts

@@ -6,8 +6,6 @@ import type {
 } from '../utils/ocr';
 import type { Document } from '../types/documents';
 
-export type { Document };
-
 const asyncFalse = async () => false;
 
 const resolveDocumentDownloadHref = (document?: Document | null): string | null => {
@@ -82,8 +80,3 @@ export const createDocumentActionState = ({
     openOcr,
   };
 };
-
-export const documentActionsTestExports = {
-  resolveDocumentDownloadHref,
-  hasDocumentTextContentAsset,
-};