merge: 同步 upstream/main 新功能到定制版本

- 分流规则 + 用户流量统计
- 验证码功能
- 节点分组管理 UI
- 重构用户分组组件

apps/admin/src/utils/common.ts

@@ -24,9 +24,18 @@ export function differenceInDays(date1: Date, date2: Date): number {
 
 export function formatDate(date?: Date | number, showTime = true) {
   if (!date) return;
+
   // Backend returns Unix timestamps in seconds; convert to milliseconds for JS Date
-  const dateValue =
-    typeof date === "number" && date < 1e12 ? date * 1000 : date;
+  // Unix timestamps (seconds): 10 digits e.g. 1771936457
+  // JavaScript timestamps (milliseconds): 13 digits
+  let dateValue = date;
+  if (typeof date === "number") {
+    if (date < 10000000000) {
+      dateValue = date * 1000;
+    }
+  }
+
+
   const timeZone = localStorage.getItem("timezone") || "UTC";
   return intlFormat(dateValue, {
     year: "numeric",