修复：优化广告播放状态文案 (#65)

## 修改内容
- 广告播放状态“未满10秒”调整为“观看时长不足”
- 聚合播放状态“混合状态”调整为“部分完成”
- 保持后端状态码、接口结构和判定逻辑不变

## 影响范围
- 仅修改后台广告收益页的前端展示文案

## 验证
- npm run build

---------

Co-authored-by: linkeyu <798648091@qq.com>
Reviewed-on: #65
Co-authored-by: linkeyu <linkeyu@wonderable.ai>
Co-committed-by: linkeyu <linkeyu@wonderable.ai>

src/app/(main)/ad-revenue-report/page.tsx

@@ -76,7 +76,7 @@ const REWARD_STATUS_HINT: Record<string, string> = {
 
 const PLAYBACK_STATUS_TAG: Record<string, { color: string; label: string }> = {
   completed: { color: 'green', label: '已完成' },
-  too_short: { color: 'gold', label: '未满10秒' },
+  too_short: { color: 'gold', label: '观看时长不足' },
   closed_early: { color: 'default', label: '提前关闭' },
   unknown: { color: 'default', label: '未知' },
 };
@@ -159,7 +159,7 @@ function playbackStatusTag(row: AdRevenueRow) {
   const hint = entries
     .map(([status, count]) => `${PLAYBACK_STATUS_TAG[status].label} ${count} 条`)
     .join('；');
-  return { color: 'purple', label: '混合状态', hint: `${hint}。` };
+  return { color: 'purple', label: '部分完成', hint: `${hint}。` };
 }
 
 const fmtFactorRange = (a: number | null, b: number | null) => {

src/app/(main)/layout.tsx

@@ -67,8 +67,6 @@ const NAV_GROUPS: NavGroup[] = [
       { key: '/comparison-records', icon: <ProfileOutlined />, label: '比价记录' },
       { key: '/coupon-data', icon: <GiftOutlined />, label: '领券记录' },
       { key: '/cps', icon: <ShareAltOutlined />, label: 'CPS收益' },
-      { key: '/device-liveness', icon: <HeartOutlined />, label: '设备存活' },
-      { key: '/analytics-health', icon: <LineChartOutlined />, label: '埋点成功率' },
     ],
   },
   {
@@ -92,9 +90,18 @@ const NAV_GROUPS: NavGroup[] = [
       { key: '/users', icon: <UserOutlined />, label: '用户管理' },
     ],
   },
+  {
+    key: 'monitoring-audit',
+    icon: <FileSearchOutlined />,
+    label: '监控审计',
+    children: [
+      { key: '/device-liveness', icon: <HeartOutlined />, label: '设备存活' },
+      { key: '/analytics-health', icon: <LineChartOutlined />, label: '埋点成功率' },
+      { key: '/event-logs', icon: <DatabaseOutlined />, label: '埋点日志' },
+      { key: '/audit-logs', icon: <FileSearchOutlined />, label: '审计日志' },
+    ],
+  },
   { key: '/admins', icon: <TeamOutlined />, label: '权限管理' },
-  { key: '/event-logs', icon: <DatabaseOutlined />, label: '埋点日志' },
-  { key: '/audit-logs', icon: <FileSearchOutlined />, label: '审计日志' },
 ];
 
 // 导航项 key(/dashboard)→ 权限页 key(dashboard),与后端 permissions.py 目录对齐