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-admin/app/src/views/ai/plugin/PluginRunTestModal.vue

@@ -44,7 +44,10 @@ const pollingNodes = ref<any[]>([]);
 const executeId = ref('');
 const pollingData = ref<any>({ nodes: {} });
 const initSignal = ref(false);
-const pollingTimer = ref<null | ReturnType<typeof setInterval>>(null);
+const POLLING_INTERVAL_MS = 1000;
+const pollingTimer = ref<null | ReturnType<typeof setTimeout>>(null);
+let pollingActive = false;
+let pollingGeneration = 0;
 const activeIndex = ref('1');
 const dialogContentKey = ref(0);
 const dialogPreparing = ref(false);
@@ -237,42 +240,55 @@ function handleWorkflowSubmit(runParams: any) {
 
 function startPolling(nextExecuteId: string) {
   stopPolling();
-  pollingTimer.value = setInterval(() => {
-    executePolling(nextExecuteId);
-  }, 1000);
+  pollingActive = true;
+  pollingGeneration += 1;
+  schedulePolling(nextExecuteId, pollingGeneration);
+}
+
+function schedulePolling(nextExecuteId: string, generation: number) {
+  pollingTimer.value = setTimeout(() => {
+    pollingTimer.value = null;
+    void executePolling(nextExecuteId, generation);
+  }, POLLING_INTERVAL_MS);
 }
 
 function stopPolling() {
+  pollingActive = false;
+  pollingGeneration += 1;
   if (pollingTimer.value) {
-    clearInterval(pollingTimer.value);
+    clearTimeout(pollingTimer.value);
     pollingTimer.value = null;
   }
 }
 
-function executePolling(nextExecuteId: string) {
-  api
-    .post('/api/v1/pluginItem/testChainStatus', {
+async function executePolling(nextExecuteId: string, generation: number) {
+  try {
+    const res = await api.post('/api/v1/pluginItem/testChainStatus', {
       executeId: nextExecuteId,
       nodes: pollingNodes.value,
-    })
-    .then((res) => {
-      if (res.errorCode !== 0) {
-        return;
-      }
-      const nextData = {
-        ...res.data,
-        nodes: res.data?.nodes || {},
-      };
-      pollingData.value = nextData;
-      runResultResponse.value = nextData;
-      if (nextData.status !== 1) {
-        stopPolling();
-      }
-    })
-    .catch((error) => {
-      stopPolling();
-      runResultResponse.value = buildErrorResult(error);
     });
+    if (!pollingActive || generation !== pollingGeneration) return;
+    if (res.errorCode !== 0) {
+      stopPolling();
+      return;
+    }
+
+    const nextData = {
+      ...res.data,
+      nodes: res.data?.nodes || {},
+    };
+    pollingData.value = nextData;
+    runResultResponse.value = nextData;
+    if (nextData.status !== 1) {
+      stopPolling();
+      return;
+    }
+    schedulePolling(nextExecuteId, generation);
+  } catch (error) {
+    if (!pollingActive || generation !== pollingGeneration) return;
+    stopPolling();
+    runResultResponse.value = buildErrorResult(error);
+  }
 }
 
 function resumeChain(payload: any) {