feat: implement M region (Merker memory)

wanshenmean

2026-03-13 e5d171107520aa5d40b00b8e3fb8cd26e32531e8

 Code/WCS/WIDESEAWCS_Server/WIDESEAWCS_QuartzJob/ConveyorLine/Enum/ConveyorLineStatus.cs

@@ -22,6 +22,12 @@
        /// 是否被占用
        /// </summary>
        [Description("是否被占用")]
        IsOccupied
        IsOccupied,

        /// <summary>
        /// 是否被占用
        /// </summary>
        [Description("是否被占用")]
        CV_State
    }
}