feat(admin): add ConfigSync page + close ADMIN-01/02 (AUDIT_TRACKER)

- ADMIN-01 FIXED: ConfigSync.tsx page with ProTable + pagination
  - config-sync service calling GET /config/sync-logs
  - route + nav item + breadcrumb
  - backend @reserved → @connected
- ADMIN-02 FALSE_POSITIVE: Logs.tsx + logs service already exist

admin-v2/src/layouts/AdminLayout.tsx

@@ -20,6 +20,7 @@ import {
   CrownOutlined,
   SafetyOutlined,
   FieldTimeOutlined,
+  SyncOutlined,
 } from '@ant-design/icons'
 import { Avatar, Dropdown, Tooltip, Drawer } from 'antd'
 import { useAuthStore } from '@/stores/authStore'
@@ -51,6 +52,7 @@ const navItems: NavItem[] = [
   { path: '/knowledge', name: '知识库', icon: <BookOutlined />, permission: 'knowledge:read', group: '资源管理' },
   { path: '/billing', name: '计费管理', icon: <CrownOutlined />, permission: 'billing:read', group: '核心' },
   { path: '/logs', name: '操作日志', icon: <FileTextOutlined />, permission: 'admin:full', group: '运维' },
+  { path: '/config-sync', name: '同步日志', icon: <SyncOutlined />, permission: 'config:read', group: '运维' },
   { path: '/config', name: '系统配置', icon: <SettingOutlined />, permission: 'config:read', group: '系统' },
   { path: '/prompts', name: '提示词管理', icon: <MessageOutlined />, permission: 'prompt:read', group: '系统' },
 ]
@@ -219,6 +221,7 @@ const breadcrumbMap: Record<string, string> = {
   '/config': '系统配置',
   '/prompts': '提示词管理',
   '/logs': '操作日志',
+  '/config-sync': '同步日志',
 }
 
 // ============================================================