feat(admin): group monitoring and audit navigation

## 改动
- 将领券记录表格的「点位成功率」列改名为「百分比」
- 全部点位成功的 x/x 使用与「完成」相同的绿色
- 未全部成功的 x/x 使用与「中途退出」相同的警示色
- 保留点击 x/x 查看点位明细的交互

## 验证
- 提交前已执行 git pull --rebase --autostash origin main
- npm run build

---------

Co-authored-by: linkeyu <798648091@qq.com>
Reviewed-on: #61
Co-authored-by: linkeyu <linkeyu@wonderable.ai>
Co-committed-by: linkeyu <linkeyu@wonderable.ai>

src/app/(main)/coupon-data/page.tsx

@@ -149,6 +149,10 @@ function PointScorePopover({ row }: { row: CouponDataRow }) {
     return <Typography.Text type="secondary">-</Typography.Text>;
   }
   const score = `${row.point_success_count}/${row.point_total_count}`;
+  const scoreColor =
+    row.point_success_count === row.point_total_count
+      ? STATUS_TAG.completed.color
+      : STATUS_TAG.abandoned.color;
   const loadDetails = async () => {
     if (details !== null || loading) return;
     setLoading(true);
@@ -215,7 +219,9 @@ function PointScorePopover({ row }: { row: CouponDataRow }) {
         </div>
       )}
     >
-      <Button type="link" size="small" style={{ height: 'auto', padding: 0 }}>{score}</Button>
+      <Button type="link" size="small" style={{ height: 'auto', padding: 0, color: scoreColor }}>
+        {score}
+      </Button>
     </Popover>
   );
 }
@@ -596,7 +602,7 @@ export default function CouponDataPage() {
       render: (v: number | null) => fmtSec(v),
     },
     {
-      title: '点位成功率',
+      title: '百分比',
       key: 'point_success_rate',
       width: 110,
       render: (_: unknown, r: CouponDataRow) => <PointScorePopover row={r} />,

src/app/(main)/dashboard/page.tsx

@@ -499,12 +499,7 @@ export default function DashboardPage() {
   const tokenCostYuan = periodData?.comparison.token_cost_total_yuan ?? null;
   const couponRewardCoinTotal = periodData?.coins.coupon_reward_coin_total;
   const comparisonRewardCoinTotal = periodData?.coins.comparison_reward_coin_total;
-  const signinCoinTotal = periodData?.coins.signin_coin_total;
+  const regularTaskCoinTotal = periodData?.coins.regular_task_coin_total;
-  const signinBoostCoinTotal = periodData?.coins.signin_boost_coin_total;
-  const taskCoinTotal = periodData?.coins.task_coin_total;
-  const regularTaskCoinTotal =
-    periodData?.coins.regular_task_coin_total ??
-    ((signinCoinTotal ?? 0) + (signinBoostCoinTotal ?? 0) + (taskCoinTotal ?? 0));
   const cpsAvailable = data?.cps.available === true;
   const meituanCpsCommissionCents = data?.cps.meituan_commission_cents;
   const jdCpsCommissionCents = data?.cps.jd_commission_cents;
@@ -1077,6 +1072,7 @@ export default function DashboardPage() {
             value={fmtInt(regularTaskCoinTotal)}
             delta={regularTaskCoinRatio.value}
             deltaTone={regularTaskCoinRatio.tone}
+            hint="每日签到、历史签到膨胀、通知/其他任务、上报更低价和反馈采纳的实发金币之和。"
           />
           <StatCard
             title="本期提现金额"

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: '/admins', icon: <TeamOutlined />, label: '权限管理' },
+  {
+    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' },
 ];
 
 // 导航项 key(/dashboard)→ 权限页 key(dashboard),与后端 permissions.py 目录对齐