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 }
   });
 }