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.

OLD/DataModel/Models/SearchStatus.cs

@@ -0,0 +1,14 @@
+namespace DataModel.Models
+{
+    /// <summary>
+    /// Status of search
+    /// </summary>
+    public enum SearchStatus
+    {
+        New = 0,
+        Submitted = 1,
+        Started = 2,
+        Ended = 3,
+        Error = 4
+    }
+}