feat: Refactor frontend authentication and tenant switching to use global state

frontend/src/documents/features/folders/useFolderTreeActions.ts

@@ -33,7 +33,6 @@ interface FolderClickHandlers {
 import useNotifyApiError from '../../../hooks/useNotifyApiError';
 
 interface UseFolderTreeActionsOptions {
-  token?: string | null;
   folderNodes: Map<FolderKey, FolderNode>;
   setFolderNodes: (updater: (prev: Map<FolderKey, FolderNode>) => Map<FolderKey, FolderNode>) => void;
   selectedFolder: FolderKey;
@@ -49,7 +48,6 @@ interface UseFolderTreeActionsOptions {
 }
 
 const useFolderTreeActions = ({
-  token,
   folderNodes,
   setFolderNodes,
   selectedFolder,
@@ -181,10 +179,6 @@ const useFolderTreeActions = ({
 
   const handleFolderRename = useCallback(
     async (folderId: FolderKey, nextName: string) => {
-      if (!token) {
-        showToast('Log in to rename folders.', 'error');
-        return false;
-      }
       const trimmed = nextName?.trim?.() || '';
       if (!trimmed) {
         showToast('Folder name cannot be empty.', 'error');
@@ -214,16 +208,11 @@ const useFolderTreeActions = ({
       notifyApiError,
       setFolderNodes,
       showToast,
-      token,
     ],
   );
 
   const handleFolderCreate = useCallback(
     async (name: string, parentId?: FolderKey | null) => {
-      if (!token) {
-        showToast('Log in to create folders.', 'error');
-        return false;
-      }
       if (!name.trim()) {
         showToast('Folder name cannot be empty.', 'error');
         return false;
@@ -291,18 +280,11 @@ const useFolderTreeActions = ({
       setCreatingFolder,
       setFolderNodes,
       showToast,
-      token,
     ],
   );
 
   const handleFolderDelete = useCallback(
     async (folderId: FolderKey, { showMessage = true }: MessageOptions = {}) => {
-      if (!token) {
-        if (showMessage) {
-          showToast('Log in to manage folders.', 'error');
-        }
-        return false;
-      }
       if (!folderId || folderId === 'root') {
         if (showMessage) {
           showToast('The root folder cannot be removed.', 'error');
@@ -352,7 +334,6 @@ const useFolderTreeActions = ({
       }
     },
     [
-      token,
       folderNodes,
       notifyApiError,
       selectedFolder,