fix(admin): 使用后端常规任务金币汇总

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 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 regularTaskCoinTotal = periodData?.coins.regular_task_coin_total;
   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"