fix: 统一AI详情页面包屑与Tab导航表现

- 为工作流、插件、知识库、聊天助手详情路由恢复面包屑与Tab参与并保持父模块高亮

- 列表卡片跳转统一追加 navTitle 与 pageKey，详情页Tab标题与面包屑优先显示卡片名称

- 工作流设计页、知识库详情页、聊天助手设置页在深链缺少 navTitle 时自动 replace 补写

easyflow-ui-admin/app/src/views/ai/workflow/WorkflowDesign.vue

@@ -203,6 +203,27 @@ const pluginSelectRef = ref();
 const updatePluginNode = ref<any>(null);
 const pageLoading = ref(false);
 const chainInfo = ref<any>(null);
+
+function syncNavTitle(title: string) {
+  if (!title) {
+    return;
+  }
+  const query = route.query as Record<string, any>;
+  const navTitle = Array.isArray(query.navTitle)
+    ? query.navTitle[0]
+    : query.navTitle;
+  if (typeof navTitle === 'string' && navTitle.trim()) {
+    return;
+  }
+  router.replace({
+    path: route.path,
+    query: {
+      ...query,
+      pageKey: query.pageKey || '/ai/workflow',
+      navTitle: title,
+    },
+  });
+}
 // functions
 async function loadCustomNode() {
   customNode.value = await getCustomNode({
@@ -264,6 +285,7 @@ async function getWorkflowInfo(workflowId: any) {
     tinyFlowData.value = workflowInfo.value.content
       ? JSON.parse(workflowInfo.value.content)
       : {};
+    syncNavTitle(workflowInfo.value?.title || '');
   });
 }
 async function getLlmList() {