feat(admin): 健康饮食菜单添加 LangGraph 管理入口

cfc-web/.last_build_commit

@@ -1 +1 @@
-1639b05d184eb7678a4f08439c811e2a37bb1582
+bc242f68a68c270a16f14160922786c8f749a3b9

cfc-web/src/views/Layout.vue

@@ -243,6 +243,7 @@ export default {
             { path: '/foods', label: '食材管理', icon: 'el-icon-apple', perm: 'diet:foods' },
             { path: '/recipes', label: '食谱管理', icon: 'el-icon-dish', perm: 'diet:recipes' },
             { path: '/seasonal-foods', label: '应季食材', icon: 'el-icon-sunny', perm: 'diet:seasonal' },
+            { path: '/langgraph-admin', label: 'LangGraph 管理', icon: 'el-icon-cpu', perm: 'system:config' },
           ]},
 
         // ===== 报告解析系统 (admin) =====