Restore UI configuration entry

backend-fastapi/db_init.json

@@ -7478,6 +7478,51 @@
       "sys_dept_id": null
     }
   },
+  {
+    "model": "core.menu.model.Menu",
+    "pk": "ai-agent-admin-system-ui-config",
+    "fields": {
+      "application_id": null,
+      "is_system": true,
+      "parent_id": "2c03f7a0-f4b5-43a9-94",
+      "name": "UIConfigManager",
+      "title": "menu-title.uiConfig",
+      "authCode": null,
+      "path": "/system/ui-config",
+      "type": "menu",
+      "component": "/_core/ui-config/index",
+      "redirect": null,
+      "activePath": null,
+      "query": null,
+      "noBasicLayout": false,
+      "icon": "lucide:paintbrush",
+      "activeIcon": null,
+      "order": 46,
+      "hideInMenu": false,
+      "hideChildrenInMenu": false,
+      "hideInBreadcrumb": false,
+      "hideInTab": false,
+      "affixTab": false,
+      "affixTabOrder": null,
+      "keepAlive": false,
+      "maxNumOfOpenTab": null,
+      "fullPathKey": true,
+      "link": null,
+      "iframeSrc": null,
+      "openInNewWindow": false,
+      "badge": null,
+      "badgeType": null,
+      "badgeVariants": null,
+      "id": "ai-agent-admin-system-ui-config",
+      "sort": 46,
+      "is_deleted": false,
+      "sys_create_datetime": "2026-06-10T00:00:00.000000",
+      "sys_update_datetime": "2026-06-10T00:00:00.000000",
+      "sys_creator_id": null,
+      "sys_modifier_id": null,
+      "sys_dept_id": null
+    }
+  },
   {
     "model": "core.menu.model.Menu",
     "pk": "c4b8daa0-7e1c-4039-9a",

web/apps/web-ele/src/api/core/ui-config.ts

@@ -71,7 +71,7 @@ export function mergePreferencesConfig(
   current: PreferencesConfig,
   updates: PreferencesConfig,
 ): PreferencesConfig {
-  return merge({}, updates, current) as PreferencesConfig;
+  return merge({}, current, updates) as PreferencesConfig;
 }
 
 // ============ 前端偏好配置API ============

web/apps/web-ele/src/router/access.ts

@@ -38,6 +38,7 @@ async function generateAccess(options: GenerateMenuAndRoutesOptions) {
     '../views/_core/post/index.vue',
     '../views/_core/role/index.vue',
     '../views/_core/system-config/index.vue',
+    '../views/_core/ui-config/index.vue',
     '../views/_core/user/index.vue',
     '../views/ai-platform/agent/editor/index.vue',
     '../views/ai-platform/agent/index.vue',