fix: 强化工作流与插件运行状态处理

- 显式传播工作流缓存故障并补充仓储测试

- 防止状态轮询重入和过期响应，规范执行记录无权限响应

easyflow-ui-usercenter/app/src/views/ai/workflow/components/WorkflowForm.vue

@@ -136,7 +136,10 @@ function submitV2() {
     }
   });
 }
-const timer = ref();
+const POLLING_INTERVAL_MS = 1000;
+const timer = ref<null | ReturnType<typeof setTimeout>>(null);
+let pollingActive = false;
+let pollingGeneration = 0;
 const nodes = ref(
   props.tinyFlowData.nodes.map((node: any) => ({
     nodeId: node.id,
@@ -145,27 +148,46 @@ const nodes = ref(
 );
 // 轮询执行结果
 function startPolling(executeId: any) {
-  if (timer.value) return;
-  timer.value = setInterval(() => executePolling(executeId), 1000);
+  if (pollingActive) return;
+  pollingActive = true;
+  pollingGeneration += 1;
+  schedulePolling(executeId, pollingGeneration);
 }
-function executePolling(executeId: any) {
-  api
-    .post('/userCenter/workflow/getChainStatus', {
+function schedulePolling(executeId: any, generation: number) {
+  timer.value = setTimeout(() => {
+    timer.value = null;
+    void executePolling(executeId, generation);
+  }, POLLING_INTERVAL_MS);
+}
+async function executePolling(executeId: any, generation: number) {
+  try {
+    const res = await api.post('/userCenter/workflow/getChainStatus', {
       executeId,
       nodes: nodes.value,
-    })
-    .then((res) => {
-      // 5 是挂起状态
-      if (res.data.status !== 1 || res.data.status === 5) {
-        stopPolling();
-      }
-      props.onAsyncExecute?.(res.data);
     });
+    if (!pollingActive || generation !== pollingGeneration) return;
+
+    // 5 是挂起状态；所有非运行态都结束当前轮询。
+    if (res.data.status !== 1) {
+      stopPolling();
+    }
+    props.onAsyncExecute?.(res.data);
+
+    if (pollingActive && generation === pollingGeneration) {
+      schedulePolling(executeId, generation);
+    }
+  } catch (error) {
+    if (!pollingActive || generation !== pollingGeneration) return;
+    stopPolling();
+    console.error('工作流状态轮询失败', error);
+  }
 }
 function stopPolling() {
   submitLoading.value = false;
+  pollingActive = false;
+  pollingGeneration += 1;
   if (timer.value) {
-    clearInterval(timer.value);
+    clearTimeout(timer.value);
     timer.value = null;
   }
 }