feat(awooop): show source ref gap recency

apps/web/src/app/[locale]/awooop/runs/page.tsx

@@ -150,6 +150,9 @@ interface CallbackReplyAuditSummary {
   outbound_reply_markup_missing_incident_ref_top_prefixes?: Array<{
     prefix?: string | null;
     total?: number | null;
+    recent_24h_total?: number | null;
+    first_sent_at?: string | null;
+    last_sent_at?: string | null;
   }>;
   outbound_failed_total?: number;
   callback_total?: number;
@@ -1984,7 +1987,22 @@ function CallbackReplyAuditSummaryPanel({
     summary.outbound_reply_markup_missing_incident_ref_top_prefixes ?? []
   )
     .slice(0, 3)
-    .map((item) => `${item.prefix || "--"} ${item.total ?? 0}`)
+    .map((item) => {
+      const lastSeen = item.last_sent_at
+        ? new Date(item.last_sent_at).toLocaleString("zh-TW", {
+            month: "2-digit",
+            day: "2-digit",
+            hour: "2-digit",
+            minute: "2-digit",
+          })
+        : "--";
+      return t("outboundReplyMarkupTopPrefixItem", {
+        prefix: item.prefix || "--",
+        total: item.total ?? 0,
+        recent: item.recent_24h_total ?? 0,
+        last: lastSeen,
+      });
+    })
     .join(" / ") || "--";
   const snapshotCoverage = formatCoveragePercent(
     summary.callback_snapshot_captured_total ?? 0,