feat(rtt) : add isFlatRecovery flag to recovery DTOs

src/Dto/Rtt/EmployeeRttWeekSummary.php

@@ -18,5 +18,6 @@ final class EmployeeRttWeekSummary
         public int $bonus50Minutes = 0,
         public int $totalMinutes = 0,
         public int $cumulativeBalanceMinutes = 0,
+        public bool $isFlatRecovery = false,
     ) {}
 }

src/Dto/Rtt/WeekRecoveryDetail.php

@@ -17,5 +17,6 @@ final class WeekRecoveryDetail
         public int $bonus50Minutes = 0,
         public int $totalMinutes = 0,
         public array $dailyMinutes = [],
+        public bool $isFlatRecovery = false,
     ) {}
 }