fix(ui): 监控账号列表行 hover 反馈（主题 token）、强制同步按钮 loading（走查 P2-#7）

web/src/components/accounts/MonitoringAccountList.tsx

@@ -2,11 +2,25 @@
 // 展示作者头像与粉丝/关注/作品/最近发布等账号画像属性（migration 038 字段 + work 聚合）。
 import { useCallback, useEffect, useState } from 'react';
 import { history } from '@umijs/max';
-import { Alert, App, Avatar, Button, Card, Descriptions, Empty, Flex, Form, Listy, Modal, Popconfirm, Select, Space, Spin, Tag, Typography } from 'antd';
+import { Alert, App, Avatar, Button, Card, Descriptions, Empty, Flex, Form, Listy, Modal, Popconfirm, Select, Space, Spin, Tag, theme, Typography } from 'antd';
 import { CloudUploadOutlined, ReloadOutlined } from '@ant-design/icons';
 import { getList, remove, creatorAction, creatorUpdate } from '@/services/api';
 import { conflictMessage, dateTime, platformLabel } from '@/utils/helpers';
 
+const useRowHoverStyle = () => {
+  const { token } = theme.useToken();
+  return {
+    padding: 16,
+    borderBottom: `1px solid ${token.colorSplit}`,
+    borderRadius: token.borderRadiusLG,
+    cursor: 'pointer',
+    transition: 'background-color 0.2s',
+    ['@media (hover: hover)']: {
+      '&:hover': { backgroundColor: token.colorFillQuaternary },
+    },
+  } as const;
+};
+
 interface CompetitorRow {
   id: string;
   platform: string;
@@ -129,6 +143,8 @@ export default function MonitoringAccountList() {
     }
   }
 
+  const rowHoverStyle = useRowHoverStyle();
+
   const syncMeta = syncStatusMeta[tagTarget?.sync_status ?? ''] || { label: tagTarget?.sync_status || '—' };
 
   return (
@@ -151,10 +167,7 @@ export default function MonitoringAccountList() {
         itemRender={(row) => {
           const meta = syncStatusMeta[row.sync_status ?? ''] || { label: row.sync_status || '—' };
           return (
-            <div
-              style={{ padding: '16px 0', borderBottom: '1px solid rgba(5,5,5,0.06)', cursor: 'pointer' }}
-              onClick={() => history.push(`/accounts/monitoring/${row.id}`)}
-            >
+            <div style={rowHoverStyle} onClick={() => history.push(`/accounts/monitoring/${row.id}`)}>
               <Flex justify="space-between" align="flex-start" gap={16}>
                 <Flex align="flex-start" gap={12}>
                   <Avatar size={44} src={row.avatar_url || undefined}>
@@ -178,7 +191,7 @@ export default function MonitoringAccountList() {
                   <Button size="small" onClick={() => openTags(row)}>
                     编辑标签
                   </Button>
-                  <Button size="small" disabled={actionBusy === row.id} onClick={() => syncCompetitor(row)}>
+                  <Button size="small" loading={actionBusy === row.id} disabled={actionBusy === row.id} onClick={() => syncCompetitor(row)}>
                     强制同步
                   </Button>
                   <Button size="small" disabled={actionBusy === row.id} onClick={() => toggleCompetitor(row)}>