修复：明确领券单券成功率展示

## 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)/coupon-data/page.tsx

@@ -149,6 +149,9 @@ function PointScorePopover({ row }: { row: CouponDataRow }) {
     return <Typography.Text type="secondary">-</Typography.Text>;
   }
   const score = `${row.point_success_count}/${row.point_total_count}`;
+  const scoreWithRate = `${score}（${(
+    row.point_success_count / row.point_total_count * 100
+  ).toFixed(1)}%）`;
   const scoreColor =
     row.point_success_count === row.point_total_count
       ? STATUS_TAG.completed.color
@@ -220,7 +223,7 @@ function PointScorePopover({ row }: { row: CouponDataRow }) {
       )}
     >
       <Button type="link" size="small" style={{ height: 'auto', padding: 0, color: scoreColor }}>
-        {score}
+        {scoreWithRate}
       </Button>
     </Popover>
   );
@@ -602,9 +605,9 @@ export default function CouponDataPage() {
       render: (v: number | null) => fmtSec(v),
     },
     {
-      title: '百分比',
+      title: '单券成功率',
       key: 'point_success_rate',
-      width: 110,
+      width: 150,
       render: (_: unknown, r: CouponDataRow) => <PointScorePopover row={r} />,
     },
     {