Initial commit: JDE Scoping Tool migration project

Set up repository with legacy .NET Framework 4.8 source (OLD/),
new .NET 10 Blazor solution (NEW/), OpenSpec specifications,
documentation, and project configuration.

NEW/src/JdeScoping.Core/Models/Lookup/StatusCode.cs

@@ -0,0 +1,34 @@
+using JdeScoping.Core.Helpers;
+
+namespace JdeScoping.Core.Models.Lookup;
+
+/// <summary>
+/// JDE work order status code lookup entity
+/// </summary>
+public class StatusCode
+{
+    /// <summary>
+    /// Status code unique code
+    /// </summary>
+    public string Code { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Status code description
+    /// </summary>
+    public string Description { get; set; } = string.Empty;
+
+    /// <summary>
+    /// JDE date of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateDate { get; set; }
+
+    /// <summary>
+    /// JDE time of day of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateTime { get; set; }
+
+    /// <summary>
+    /// Timestamp of last update to record (computed from JDE date/time)
+    /// </summary>
+    public DateTime? LastUpdateDt => JdeDateConverter.ToDateTime(LastUpdateDate, LastUpdateTime);
+}