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/packages/effects/layouts/src/widgets/breadcrumb.vue

@@ -26,8 +26,34 @@ const props = withDefaults(defineProps<Props>(), {
 const route = useRoute();
 const router = useRouter();
 
+function resolveNavTitle(navTitleQuery: unknown): string {
+  const rawValue = Array.isArray(navTitleQuery)
+    ? navTitleQuery[0]
+    : navTitleQuery;
+  if (typeof rawValue !== 'string' || !rawValue.trim()) {
+    return '';
+  }
+  try {
+    return decodeURIComponent(rawValue);
+  } catch {
+    return rawValue;
+  }
+}
+
 const breadcrumbs = computed((): IBreadcrumb[] => {
   const matched = route.matched;
+  const navTitle = resolveNavTitle(route.query.navTitle);
+
+  if (navTitle) {
+    const currentRoute = matched[matched.length - 1];
+    return [
+      {
+        icon: currentRoute?.meta?.icon,
+        path: currentRoute?.path || route.path,
+        title: navTitle,
+      },
+    ];
+  }
 
   const resultBreadcrumb: IBreadcrumb[] = [];