fix: 保留工作流列表返回状态

- 记录页码、分类和搜索条件并同步到路由

- 从工作流设计页返回时恢复原列表位置

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

@@ -51,6 +51,10 @@ import {
   isWorkflowDataEmpty,
   normalizeWorkflowStartNodes,
 } from '../../../../../packages/tinyflow-ui/src/utils/workflowNodeFields';
+import {
+  buildWorkflowListRouteQuery,
+  parseWorkflowDesignReturnState,
+} from './workflow-list-route-state';
 
 import '@tinyflow-ai/vue/dist/index.css';
 
@@ -160,7 +164,11 @@ async function initializeWorkflow() {
 }
 
 function backToWorkflowList() {
-  router.replace({ path: '/ai/workflow' });
+  const listState = parseWorkflowDesignReturnState(route.query);
+  router.replace({
+    path: '/ai/workflow',
+    query: buildWorkflowListRouteQuery(listState),
+  });
 }
 const WORKFLOW_DRAFT_WRITE_DELAY = 320;
 let draftWriteTimer: ReturnType<typeof setTimeout> | undefined;