优化: AI Chat全栈多批审查修复与架构清理(risk_level清理/路由解耦/工具渲染/测试补测/死代码)

src/views/TaskDetail.vue

@@ -194,6 +194,8 @@ const wfTotalNodes = ref(0)
 const wfDoneCount = ref(0)
 const wfRunningNode = ref<string>('')
 const wfResult = ref<'completed' | 'failed' | null>(null)
+// SW-260618-21: 终态提示 timer 引用,卸载时清理防写已销毁 ref(对齐 Projects.vue _toastTimer 模式)
+let _wfResultTimer: ReturnType<typeof setTimeout> | null = null
 
 const wfProgressHint = computed(() => wfResult.value !== null)
 const wfCompletedHint = computed(() => wfResult.value === 'completed')
@@ -408,8 +410,10 @@ function handleWorkflowEvent(payload: WorkflowEventPayload) {
       wfRunningNode.value = ''
       wfResult.value = 'completed'
       // 终态提示保留 3s 后清空(任务本体由 df-data-changed 刷新,提示不影响数据)
-      setTimeout(() => {
+      if (_wfResultTimer) clearTimeout(_wfResultTimer)
+      _wfResultTimer = setTimeout(() => {
         if (wfResult.value === 'completed') wfResult.value = null
+        _wfResultTimer = null
       }, 3000)
       break
     }
@@ -419,8 +423,10 @@ function handleWorkflowEvent(payload: WorkflowEventPayload) {
         wfAdvancing.value = false
         wfRunningNode.value = ''
         wfResult.value = 'failed'
-        setTimeout(() => {
+        if (_wfResultTimer) clearTimeout(_wfResultTimer)
+        _wfResultTimer = setTimeout(() => {
           if (wfResult.value === 'failed') wfResult.value = null
+          _wfResultTimer = null
         }, 3000)
       }
       // node_failed: 单节点失败,工作流后续会发 workflow_failed,此处不提前改终态
@@ -492,6 +498,8 @@ onMounted(async () => {
 onBeforeUnmount(() => {
   if (_unlistenDataChanged) { _unlistenDataChanged(); _unlistenDataChanged = null }
   if (_unlistenWorkflowEvent) { _unlistenWorkflowEvent(); _unlistenWorkflowEvent = null }
+  // SW-260618-21: 清终态提示 timer 防卸载后写已销毁 ref
+  if (_wfResultTimer) { clearTimeout(_wfResultTimer); _wfResultTimer = null }
 })
 </script>