Harden one-click ingestion workflow

frontend/src/components/IngestTab.vue

@@ -114,7 +114,7 @@
             <!-- 消息提示 -->
             <div v-if="progress.message" class="message-section">
               <el-alert
-                :type="progress.completed ? (progress.failed > 0 ? 'warning' : 'success') : 'info'"
+                :type="alertType"
                 :closable="false"
                 show-icon
               >
@@ -136,7 +136,7 @@ import { ElMessage } from 'element-plus';
 import { Upload, VideoPlay, Refresh, DataLine, FolderOpened, Document } from '@element-plus/icons-vue';
 import { getConfig } from '../api/config';
 import type { ConfigResponse } from '../api/config';
-import { startIngest as apiStartIngest, getIngestStatus } from '../api/ingest';
+import { startIngest as apiStartIngest, getIngestStatus, getIngestCurrentStatus } from '../api/ingest';
 import type { IngestStatusResponse } from '../api/ingest';
 import { useWebSocket } from '../composables/useWebSocket';
 import type { ProgressMessage } from '../composables/useWebSocket';
@@ -192,6 +192,29 @@ const progressStats = computed((): StatItem[] => {
   ];
 });
 
+/** 所有被拒绝类别之和（不含已入库） */
+const totalRejected = computed(() =>
+  (progress.duplicateFiles ?? 0)
+  + (progress.missingMetadataFiles ?? 0)
+  + (progress.unreadableFiles ?? 0)
+  + (progress.conversionFailedFiles ?? 0)
+  + (progress.otherRejectedFiles ?? 0)
+);
+
+/** 是否为致命/内部错误 */
+const isFatalError = computed(() => {
+  const msg = progress.message || '';
+  return msg.startsWith('导入任务失败') || msg.startsWith('任务内部错误') || msg.includes('异常终止');
+});
+
+/** 任务完成后的提醒类型 */
+const alertType = computed(() => {
+  if (!progress.completed) return 'info';
+  if (isFatalError.value) return 'error';
+  if (totalRejected.value > 0) return 'warning';
+  return 'success';
+});
+
 function formatProgress() {
   if (progress.completed) return '完成';
   return `${progress.processed ?? 0} / ${progress.total ?? 0}`;
@@ -286,7 +309,6 @@ async function startIngest() {
 // 页面挂载恢复：查询是否存在正在运行或最近完成的任务
 async function resumeFromCurrentTask() {
   try {
-    const { getIngestCurrentStatus } = await import('../api/ingest');
     let resp: IngestStatusResponse | null = null;
     try {
       resp = await getIngestCurrentStatus();