Refactor backend and frontend cleanup paths

frontend/src/api/folders.js

@@ -4,7 +4,7 @@
  * Consumers: stores/folders.js, FolderTreeItem.vue, AppSidebar.vue
  */
 
-import { request } from './utils.js'
+import { request, jsonRequest } from './utils.js'
 
 export function listFolders(parentId = null) {
   const params = new URLSearchParams()
@@ -14,11 +14,7 @@ export function listFolders(parentId = null) {
 }
 
 export function createFolder(name, parentId = null) {
-  return request('/api/folders', {
-    method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ name, parent_id: parentId || null }),
-  })
+  return jsonRequest('/api/folders', 'POST', { name, parent_id: parentId || null })
 }
 
 export function getFolder(folderId) {
@@ -26,11 +22,7 @@ export function getFolder(folderId) {
 }
 
 export function renameFolder(folderId, name) {
-  return request(`/api/folders/${folderId}`, {
-    method: 'PATCH',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ name }),
-  })
+  return jsonRequest(`/api/folders/${folderId}`, 'PATCH', { name })
 }
 
 export function deleteFolder(folderId) {
@@ -38,9 +30,5 @@ export function deleteFolder(folderId) {
 }
 
 export function moveDocument(docId, folderId) {
-  return request(`/api/documents/${docId}/folder`, {
-    method: 'PATCH',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ folder_id: folderId || null }),
-  })
+  return jsonRequest(`/api/documents/${docId}/folder`, 'PATCH', { folder_id: folderId || null })
 }