feat: improve traffic reset precision and admin features

- Increase traffic reset granularity to seconds
- Add next reset time display in admin pane

app/Services/TrafficResetService.php

@@ -82,7 +82,8 @@ class TrafficResetService
     if (
       !$user->plan
       || $user->plan->reset_traffic_method === Plan::RESET_TRAFFIC_NEVER
-      || ($user->plan->reset_traffic_method === Plan::RESET_TRAFFIC_FOLLOW_SYSTEM && (int) admin_setting('reset_traffic_method', Plan::RESET_TRAFFIC_MONTHLY) === Plan::RESET_TRAFFIC_NEVER)
+      || ($user->plan->reset_traffic_method === Plan::RESET_TRAFFIC_FOLLOW_SYSTEM
+        && (int) admin_setting('reset_traffic_method', Plan::RESET_TRAFFIC_MONTHLY) === Plan::RESET_TRAFFIC_NEVER)
       || $user->expired_at === NULL
     ) {
       return null;
@@ -94,7 +95,7 @@ class TrafficResetService
       $resetMethod = (int) admin_setting('reset_traffic_method', Plan::RESET_TRAFFIC_MONTHLY);
     }
 
-    $now = Carbon::now();
+    $now = Carbon::now(config('app.timezone'));
 
     return match ($resetMethod) {
       Plan::RESET_TRAFFIC_FIRST_DAY_MONTH => $this->getNextMonthFirstDay($now),
@@ -124,38 +125,20 @@ class TrafficResetService
    */
   private function getNextMonthlyReset(User $user, Carbon $from): Carbon
   {
-    $expiredAt = Carbon::createFromTimestamp($user->expired_at);
+    $expiredAt = Carbon::createFromTimestamp($user->expired_at, config('app.timezone'));
     $resetDay = $expiredAt->day;
-
-    return $this->getNextResetByDay($from, $resetDay);
-  }
-
-  /**
-   * Get the next reset time based on a specific day of the month.
-   */
-  private function getNextResetByDay(Carbon $from, int $targetDay): Carbon
-  {
-    $currentMonthTarget = $this->getValidDayInMonth($from->copy(), $targetDay);
+    $resetTime = [$expiredAt->hour, $expiredAt->minute, $expiredAt->second];
+    // 当前月目标时间
+    $currentMonthTarget = $from->copy()->day($resetDay)
+      ->setTime(...$resetTime);
     if ($currentMonthTarget->timestamp > $from->timestamp) {
       return $currentMonthTarget;
     }
-
+    // 下月目标时间
     $nextMonth = $from->copy()->addMonth();
-    return $this->getValidDayInMonth($nextMonth, $targetDay);
-  }
-
-  /**
-   * Get a valid day in a given month, handling non-existent dates.
-   */
-  private function getValidDayInMonth(Carbon $month, int $targetDay): Carbon
-  {
-    $lastDayOfMonth = $month->copy()->endOfMonth()->day;
-
-    if ($targetDay > $lastDayOfMonth) {
-      return $month->endOfMonth()->startOfDay();
-    }
-
-    return $month->day($targetDay)->startOfDay();
+    $lastDayOfNextMonth = $nextMonth->copy()->endOfMonth()->day;
+    $targetDay = min($resetDay, $lastDayOfNextMonth);
+    return $nextMonth->copy()->day($targetDay)->setTime(...$resetTime);
   }
 
   /**
@@ -177,30 +160,21 @@ class TrafficResetService
    */
   private function getNextYearlyReset(User $user, Carbon $from): Carbon
   {
-    $expiredAt = Carbon::createFromTimestamp($user->expired_at);
-
-    $currentYearTarget = $this->getValidYearDate($from->copy(), $expiredAt);
+    $expiredAt = Carbon::createFromTimestamp($user->expired_at, config('app.timezone'));
+    $resetMonth = $expiredAt->month;
+    $resetDay = $expiredAt->day;
+    $resetTime = [$expiredAt->hour, $expiredAt->minute, $expiredAt->second];
 
+    $currentYearTarget = $from->copy()->month($resetMonth)->day($resetDay)->setTime(...$resetTime);
     if ($currentYearTarget->timestamp > $from->timestamp) {
       return $currentYearTarget;
     }
-
-    return $this->getValidYearDate($from->copy()->addYear(), $expiredAt);
+    $nextYear = $from->copy()->addYear();
+    $lastDayOfMonth = $nextYear->copy()->month($resetMonth)->endOfMonth()->day;
+    $targetDay = min($resetDay, $lastDayOfMonth);
+    return $nextYear->copy()->month($resetMonth)->day($targetDay)->setTime(...$resetTime);
   }
 
-  /**
-   * Get a valid date in a given year, handling leap year cases for Feb 29th.
-   */
-  private function getValidYearDate(Carbon $year, Carbon $expiredAt): Carbon
-  {
-    $target = $year->month($expiredAt->month)->day($expiredAt->day)->startOfDay();
-
-    if ($expiredAt->month === 2 && $expiredAt->day === 29 && !$target->isLeapYear()) {
-      $target->day(28);
-    }
-
-    return $target;
-  }
 
   /**
    * Record the traffic reset log.

public/assets/admin/locales/en-US.js

@@ -2310,6 +2310,7 @@ window.XBOARD_TRANSLATIONS['en-US'] = {
       "commission": "Commission",
       "register_time": "Register Time",
       "actions": "Actions",
+      "next_reset_at": "Next Reset At",
       "device_limit": {
         "unlimited": "No device limit",
         "limited": "Maximum {{count}} devices allowed"

public/assets/admin/locales/zh-CN.js

@@ -2383,6 +2383,7 @@ window.XBOARD_TRANSLATIONS['zh-CN'] = {
       "commission": "佣金",
       "register_time": "注册时间",
       "actions": "操作",
+      "next_reset_at": "下次重置时间",
       "device_limit": {
         "unlimited": "无设备数限制",
         "limited": "最多可同时在线 {{count}} 台设备"