Migrate to remark

frontend/src/hooks/useFileNavigation.js

@@ -1,6 +1,4 @@
 import { useState, useCallback, useEffect } from 'react';
-import { notifications } from '@mantine/notifications';
-import { lookupFileByName } from '../services/api';
 import { DEFAULT_FILE } from '../utils/constants';
 import { useWorkspace } from '../contexts/WorkspaceContext';
 import { useLastOpenedFile } from './useLastOpenedFile';
@@ -24,33 +22,6 @@ export const useFileNavigation = () => {
     [saveLastOpenedFile]
   );
 
-  const handleLinkClick = useCallback(
-    async (filename) => {
-      if (!currentWorkspace) return;
-
-      try {
-        const filePaths = await lookupFileByName(currentWorkspace.id, filename);
-        if (filePaths.length >= 1) {
-          handleFileSelect(filePaths[0]);
-        } else {
-          notifications.show({
-            title: 'File Not Found',
-            message: `File "${filename}" not found`,
-            color: 'red',
-          });
-        }
-      } catch (error) {
-        console.error('Error looking up file:', error);
-        notifications.show({
-          title: 'Error',
-          message: 'Failed to lookup file.',
-          color: 'red',
-        });
-      }
-    },
-    [currentWorkspace, handleFileSelect]
-  );
-
   // Load last opened file when workspace changes
   useEffect(() => {
     const initializeFile = async () => {
@@ -65,5 +36,5 @@ export const useFileNavigation = () => {
     initializeFile();
   }, [currentWorkspace, loadLastOpenedFile, handleFileSelect]);
 
-  return { handleLinkClick, selectedFile, isNewFile, handleFileSelect };
+  return { selectedFile, isNewFile, handleFileSelect };
 };