feat(data-process): 完善后台生成与失败重试

frontend/src/views/data-process/DataProcessDetailView.vue

@@ -286,7 +286,12 @@ async function loadTask(silent = false) {
   if (!silent) loading.value = true
   loadError.value = ''
   try {
-    detail.value = await getDataProcessTask(taskId.value)
+    const task = await getDataProcessTask(taskId.value)
+    if (task.status !== 'completed' || task.results_confirmed === false) {
+      await router.replace({ name: 'data-process-workflow', params: { id: task.id } })
+      return
+    }
+    detail.value = task
   } catch {
     detail.value = null
     loadError.value = '数据处理任务加载失败，任务可能已删除或当前无权访问。'