修复get_workspace_sidebar_items重复执行多次的问题

apps/jingrow/frontend/src/app/layouts/AppSidebar.vue

@@ -122,9 +122,7 @@ const parentWorkspaceOptions = computed(() => {
 })
 
 onMounted(async () => {
-  if (!menuStore.loadedFromBackend) {
   await menuStore.loadFromBackend()
-  }
   syncEditableWorkspaces()
 })
 

apps/jingrow/frontend/src/shared/stores/menu.ts

@@ -55,10 +55,17 @@ export const useMenuStore = defineStore('menu', () => {
   // 标记是否已从后端加载过
   const loadedFromBackend = ref(false)
 
+  // Loading promise to prevent duplicate calls
+  let loadingPromise: Promise<any> | null = null
+
   // Workspace dictionary for quick lookup (like jingrow.workspaces in old frontend)
   // Key: slug(workspace.name), Value: workspace data
   const workspaces = ref<Record<string, WorkspacePage>>({})
 
+  // Access flags from backend
+  const hasWorkspaceAccess = ref(false)
+  const hasCreateWorkspaceAccess = ref(false)
+  
   // 正确初始化为数组，而不是函数
   const initItems = () => {
     const cached = loadFromStorage()
@@ -155,6 +162,12 @@ export const useMenuStore = defineStore('menu', () => {
    * 菜单完全由后端数据驱动
    */
   async function loadFromBackend() {
+    // Return existing promise if already loading (prevent duplicate calls)
+    if (loadingPromise) return loadingPromise
+    // Already loaded
+    if (loadedFromBackend.value) return { success: true, count: items.value.length }
+
+    loadingPromise = (async () => {
       try {
         const response = await getWorkspaceSidebarItems()
         const workspaceMenuItems = transformWorkspacePages(response.pages)
@@ -167,6 +180,10 @@ export const useMenuStore = defineStore('menu', () => {
         }
         workspaces.value = dict
 
+        // Store access flags
+        hasWorkspaceAccess.value = response.has_access || false
+        hasCreateWorkspaceAccess.value = response.has_create_access || false
+
         // 直接使用后端返回的菜单数据
         items.value = workspaceMenuItems
         persist()
@@ -177,7 +194,12 @@ export const useMenuStore = defineStore('menu', () => {
       } catch (error: any) {
         console.error('Failed to load menu from backend:', error)
         return { success: false, error: error.message }
+      } finally {
+        loadingPromise = null
       }
+    })()
+
+    return loadingPromise
   }
 
   /**
@@ -185,6 +207,7 @@ export const useMenuStore = defineStore('menu', () => {
    */
   async function reloadFromBackend() {
     loadedFromBackend.value = false
+    loadingPromise = null
     return loadFromBackend()
   }
 
@@ -212,6 +235,8 @@ export const useMenuStore = defineStore('menu', () => {
     visibleItems,
     loadedFromBackend,
     workspaces,
+    hasWorkspaceAccess,
+    hasCreateWorkspaceAccess,
     addMenu,
     updateMenu,
     removeMenu,

apps/jingrow/frontend/src/views/workspace/WorkspacePage.vue

@@ -259,7 +259,7 @@ import { usePermissionStore } from '@/shared/stores/permissions'
 import { useAuthStore } from '@/shared/stores/auth'
 import { useMenuStore } from '@/shared/stores/menu'
 import { useWorkspaceEditStore } from '@/shared/stores/workspaceEdit'
-import { getWorkspaceSidebarItems, getDesktopPage } from '@/shared/api/workspace'
+import { getDesktopPage } from '@/shared/api/workspace'
 import draggable from 'vuedraggable'
 import IconPicker from '@/core/components/IconPicker.vue'
 import OnboardingBlock from '@/core/features/workspace_builder/blocks/OnboardingBlock.vue'
@@ -376,8 +376,8 @@ function handleAddBlock(key: string) {
 async function loadWorkspaceSidebarMeta(force = false) {
   if (workspaceSidebarMeta.value.loaded && !force) return
   try {
-    const resp = await getWorkspaceSidebarItems()
+    await menuStore.loadFromBackend()
-    const pages = Array.isArray(resp.pages) ? resp.pages : []
+    const pages = Object.values(menuStore.workspaces)
     const uniq = (arr: string[]) => Array.from(new Set(arr.filter(Boolean)))
 
     const publicParents = uniq(
@@ -393,8 +393,8 @@ async function loadWorkspaceSidebarMeta(force = false) {
 
     workspaceSidebarMeta.value = {
       loaded: true,
-      has_access: Boolean(resp.has_access),
+      has_access: menuStore.hasWorkspaceAccess,
-      has_create_access: Boolean(resp.has_create_access),
+      has_create_access: menuStore.hasCreateWorkspaceAccess,
       publicParents,
       privateParents
     }
@@ -405,10 +405,7 @@ async function loadWorkspaceSidebarMeta(force = false) {
 }
 
 async function load() {
-  // Ensure menu is loaded first
-  if (!menuStore.loadedFromBackend) {
   await menuStore.loadFromBackend()
-  }
 
   // If workspace not found in dictionary, it doesn't exist
   if (!workspaceName.value) {