feat(aihr): support cancelling running local import tasks

新增 POST /api/knowledge/doc/import-tasks/{id}/cancel,后台目录导入任务
运行中可取消;资料处理页任务列表接取消按钮与状态刷新。

frontend/src/api/aihr/processing.ts

@@ -135,3 +135,10 @@ export function listLocalKnowledgeImportTasks(): Promise<ApiResult<LocalImportTa
     method: 'get'
   });
 }
+
+export function cancelLocalKnowledgeImportTask(id: number): Promise<ApiResult<LocalImportTask>> {
+  return request({
+    url: `/api/knowledge/doc/import-tasks/${id}/cancel`,
+    method: 'post'
+  });
+}

frontend/src/api/aihr/sop.ts

@@ -63,6 +63,7 @@ export function uploadKnowledgeDoc(data: FormData): Promise<ApiResult<SopUploadR
     url: '/api/knowledge/doc/upload',
     method: 'post',
     data,
+    timeout: 180000,
     headers: { repeatSubmit: false }
   });
 }

frontend/src/views/knowledge/processing.vue

@@ -193,8 +193,9 @@
         </el-table-column>
         <el-table-column prop="currentFile" label="当前文件" min-width="220" show-overflow-tooltip />
         <el-table-column prop="updatedAt" label="更新时间" width="138" />
-        <el-table-column label="操作" width="84">
+        <el-table-column label="操作" width="104">
           <template #default="{ row }">
+            <el-button v-if="row.status === '导入中'" link type="danger" @click="cancelImportTask(row)">取消</el-button>
             <el-button v-if="row.status !== '导入中'" link type="primary" @click="retryImportTask(row)">重试</el-button>
           </template>
         </el-table-column>
@@ -237,6 +238,7 @@ import {
 import { ElMessage, ElMessageBox } from 'element-plus';
 import { computed, onMounted, onUnmounted, ref } from 'vue';
 import {
+  cancelLocalKnowledgeImportTask,
   getProcessingOverview,
   listLocalKnowledgeImportTasks,
   startLocalKnowledgeImportTask,
@@ -474,6 +476,26 @@ async function retryImportTask(row: LocalImportTask) {
   }
 }
 
+async function cancelImportTask(row: LocalImportTask) {
+  try {
+    await ElMessageBox.confirm(`确认取消导入任务「${row.directory}」？`, '取消导入', {
+      confirmButtonText: '取消任务',
+      cancelButtonText: '返回',
+      type: 'warning'
+    });
+  } catch {
+    return;
+  }
+  importTaskLoading.value = true;
+  try {
+    await cancelLocalKnowledgeImportTask(row.id);
+    ElMessage.success('已取消导入任务');
+    await Promise.all([loadImportTasks(), loadOverview()]);
+  } finally {
+    importTaskLoading.value = false;
+  }
+}
+
 function scheduleImportPoll() {
   clearImportPoll();
   if (!runningImport.value) return;
@@ -928,6 +950,11 @@ function fileBadgeClass(type: string) {
   background: #ffe8ea;
 }
 
+.pill-info {
+  color: #657184;
+  background: #eef2f7;
+}
+
 .table-footer {
   display: flex;
   justify-content: space-between;