数据大盘新增领券核心数据区块

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

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

@@ -526,6 +526,23 @@ export default function DashboardPage() {
     periodData?.comparison.average_duration_ms,
     previousPeriodData?.comparison.average_duration_ms,
   );
+  // 领券核心数据(period.coupon;旧后端无此字段时整节显示 '--')
+  const couponPeriod = periodData?.coupon ?? null;
+  const previousCouponPeriod = previousPeriodData?.coupon ?? null;
+  const couponStartedDelta = percentDelta(couponPeriod?.started, previousCouponPeriod?.started);
+  const couponSuccessRateValue =
+    couponPeriod?.success_rate == null ? '--' : (couponPeriod.success_rate * 100).toFixed(1);
+  const couponSuccessRateDelta = pointDelta(couponPeriod?.success_rate, previousCouponPeriod?.success_rate);
+  const couponPointRateValue =
+    couponPeriod?.point_success_rate == null ? '--' : (couponPeriod.point_success_rate * 100).toFixed(1);
+  const couponPointRateDelta = pointDelta(
+    couponPeriod?.point_success_rate,
+    previousCouponPeriod?.point_success_rate,
+  );
+  const couponMedianDelta = durationDelta(
+    couponPeriod?.median_elapsed_ms,
+    previousCouponPeriod?.median_elapsed_ms,
+  );
   const averageSavedDelta = moneyDeltaCents(
     periodData?.comparison.average_saved_cents,
     previousPeriodData?.comparison.average_saved_cents,
@@ -766,6 +783,51 @@ export default function DashboardPage() {
         </div>
       </section>
 
+      <section className="section">
+        <div className="section-head">
+          <span className="bar" />
+          <h3>领券核心数据</h3>
+          <span>发起、整场成功、点位成功与效率</span>
+        </div>
+        <div className="grid g4">
+          <StatCard
+            title="领券发起数"
+            value={fmtInt(couponPeriod?.started)}
+            unit="次"
+            delta={couponStartedDelta.value}
+            deltaTone={couponStartedDelta.tone}
+          />
+          <StatCard
+            title="领券成功率"
+            value={couponSuccessRateValue}
+            unit="%"
+            delta={couponSuccessRateDelta.value}
+            deltaTone={couponSuccessRateDelta.tone}
+            hint={`全部点位领成功的次数 / 领券发起数;本期 ${fmtInt(couponPeriod?.all_success)} / ${fmtInt(
+              couponPeriod?.started,
+            )} 次。点位成功口径含「今日已领过」。`}
+          />
+          <StatCard
+            title="点位成功率"
+            value={couponPointRateValue}
+            unit="%"
+            delta={couponPointRateDelta.value}
+            deltaTone={couponPointRateDelta.tone}
+            hint={`成功点位数 / (领券发起数 × 每次应领点位数);中途退出未跑到的点位计入分母视为失败。本期成功点位 ${fmtInt(
+              couponPeriod?.point_success,
+            )} 个,每次应领 ${fmtInt(couponPeriod?.points_per_session)} 个(按本期完成场自动校准)。`}
+          />
+          <StatCard
+            title="耗时中位数"
+            value={fmtMsAsSeconds(couponPeriod?.median_elapsed_ms)}
+            unit="秒"
+            delta={couponMedianDelta.value}
+            deltaTone={couponMedianDelta.tone}
+            hint="仅统计「完成」的领券(同领券数据页口径),中位数比均值更抗中途暂停等待的长尾。"
+          />
+        </div>
+      </section>
+
       <section className="section">
         <div className="section-head">
           <span className="bar" />

src/lib/types.ts

@@ -546,6 +546,17 @@ export interface DashboardOverview {
       average_duration_ms: number | null;
       average_saved_cents: number | null;
     };
+    // 领券核心数据(2026-07-05 新增;旧后端无此字段,前端 `?.` 探测)。
+    // 点位=一张券;成功口径 success+already_claimed;点位成功率分母=发起数×应领点位数(未跑到视为失败)。
+    coupon?: {
+      started: number;
+      all_success: number; // 全部点位领成功的完成场次数
+      success_rate: number | null;
+      point_success: number;
+      points_per_session: number | null; // 应领点位数(本期完成场点位数众数)
+      point_success_rate: number | null;
+      median_elapsed_ms: number | null; // 仅 completed,同「领券数据」页口径
+    };
     coins: {
       granted_total: number;
       reward_video_coin_total: number;