Function create_month_stamp

src/systems/time.py:43–45

从年和月创建MonthStamp

(year: Year, month: Month)

        return MonthStamp(int(self) + other)

def create_month_stamp(year: Year, month: Month) -> MonthStamp:
    """从年和月创建MonthStamp"""
    return MonthStamp(int(year) * 12 + month.value - 1)

def get_date_str(stamp: int) -> str:
    """将 MonthStamp (int) 转换为 'X年Y月' 格式"""