Fix crash on login with expired timed items

https://github.com/d1str4ught/m2dev-client-src/issues/69

src/game/item.cpp

@@ -2002,6 +2002,16 @@ bool CItem::OnAfterCreatedItem()
 		// Socket1에 아이템의 사용 횟수가 기록되어 있으니, 한 번이라도 사용한 아이템은 타이머를 시작한다.
 		if (0 != GetSocket(1))
 		{
+			// Check if item has already expired before starting the event
+			const time_t current = get_global_time();
+			if (current > GetSocket(0))
+			{
+				// Item has already expired while player was offline
+				// Remove it immediately to prevent crash during login
+				ITEM_MANAGER::instance().RemoveItem(this, "REAL_TIME_EXPIRE (expired offline)");
+				return false;
+			}
+
 			StartRealTimeExpireEvent();
 		}
 	}