fix: harden dependencies and downstream delivery

src/apps/client/ClientHome.tsx

@@ -52,7 +52,8 @@ export function ClientHome() {
   const account = dashboard?.accounts[0];
   const availableBalance = ((account?.balanceCents ?? 0) + (account?.creditCents ?? 0)) / 100;
   const todaySpend = (dashboard?.today.spendCents ?? 0) / 100;
-  const todayRefund = Math.abs((dashboard?.transactions._sum.amountCents ?? 0) < 0 ? 0 : dashboard?.transactions._sum.amountCents ?? 0) / 100;
+  const todayRefundCents = Math.max(0, dashboard?.today.returnedCents ?? 0);
+  const todayRefund = todayRefundCents / 100;
   const balanceBaseline = Math.max(availableBalance + todaySpend - todayRefund, availableBalance, 1);
   const balancePercent = Math.min(100, Math.round((availableBalance / balanceBaseline) * 100));
   const recentMessages = useMemo<RecentTaskRow[]>(() => (dashboard?.recentTasks ?? []).map((task) => ({
@@ -113,7 +114,7 @@ export function ClientHome() {
         </div>
         <div className="surface metric-card">
           <span>今日返还金额</span>
-          <strong>¥{formatAmount(todayRefund)}</strong>
+          <strong>¥{formatCents(todayRefundCents)}</strong>
           <small>异常回执与退费返还</small>
         </div>
       </div>