Add project documentation and architecture guide

啊鑫

2025-07-10 bcb2bae4c85c5a7d576116ff9ae2a0c6d0011565

 MES.Service/Modes/QsQaItemXj.cs

@@ -119,6 +119,12 @@
    public string? Remarks { get; set; }

    /// <summary>
    ///     备注
    /// </summary>
    [SugarColumn(ColumnName = "COMMENTS")]
    public string? Comments { get; set; }

    /// <summary>
    ///     物料ID
    /// </summary>
    [SugarColumn(ColumnName = "ITEM_ID")]