feat(web): update composables and utils

- useAppShell.js: update app shell composable
- useNavigation.js: update navigation composable
- utils/accessControl.js: update access control utility

web/src/composables/useNavigation.js

@@ -3,7 +3,7 @@ import { useRoute, useRouter } from 'vue-router'
 
 import { icons } from '../data/icons.js'
 
-export const appViews = ['overview', 'workbench', 'requests', 'approval', 'chat', 'policies', 'audit', 'employees', 'settings']
+export const appViews = ['overview', 'workbench', 'requests', 'approval', 'policies', 'audit', 'employees', 'settings']
 
 export const navItems = [
   {
@@ -38,21 +38,13 @@ export const navItems = [
     title: '审批中心',
     desc: '按优先级处理待审批事项，控制时效与风险。'
   },
-  {
-    id: 'chat',
-    label: '财务知识问答',
-    navHint: '进入财务知识问答',
-    icon: icons.message,
-    title: '财务知识问答',
-    desc: '围绕制度、票据、审批、报销与财务规则进行快速问答。'
-  },
   {
     id: 'policies',
     label: '制度知识',
     navHint: '查看制度与知识库',
     icon: icons.file,
     title: '制度与知识库',
-    desc: '统一管理制度文档、知识问答和搜索入口。'
+    desc: '统一管理制度文档、检索入口与知识资产。'
   },
   {
     id: 'audit',
@@ -85,7 +77,6 @@ const viewRouteNames = {
   workbench: 'app-workbench',
   requests: 'app-requests',
   approval: 'app-approval',
-  chat: 'app-chat',
   policies: 'app-policies',
   audit: 'app-audit',
   employees: 'app-employees',