refactor(web): 强制同步按钮直调竞品 sync API，移除自有账号执行身份依赖

竞品同步已改用匿名浏览器，前端不再自动挑选自有账号作为执行身份

web/src/components/accounts/MonitoringAccountList.tsx

@@ -22,7 +22,7 @@ import {
   message,
 } from 'antd';
 import { CloudUploadOutlined, ReloadOutlined } from '@ant-design/icons';
-import { getList, remove, creatorAction, creatorUpdate, syncCompetitorAuto } from '@/services/api';
+import { getList, remove, creatorAction, creatorUpdate } from '@/services/api';
 import { conflictMessage, dateTime, platformLabel } from '@/utils/helpers';
 
 interface CompetitorRow {
@@ -85,14 +85,15 @@ export default function MonitoringAccountList() {
     load();
   }, [load]);
 
+  // 强制同步：后端用临时匿名浏览器采集公开作品，无需自有账号身份。
   async function syncCompetitor(competitor: CompetitorRow) {
     setActionBusy(competitor.id);
     try {
-      await syncCompetitorAuto(competitor);
-      messageApi.success('监测账号同步任务已提交。');
+      await creatorAction(`/creator/competitors/${encodeURIComponent(competitor.id)}/sync`);
+      messageApi.success('强制同步已执行。');
       await load();
     } catch (actionError) {
-      messageApi.error(conflictMessage(actionError, '监测账号同步失败'));
+      messageApi.error(conflictMessage(actionError, '强制同步失败'));
     } finally {
       setActionBusy('');
     }