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/WebInterface/Models/LogonRequest.cs

@@ -0,0 +1,23 @@
+namespace WebInterface.Models
+{
+    /// <summary>
+    /// User's logon request details
+    /// </summary>
+    public class LogonRequest
+    {
+        /// <summary>
+        /// URL to redirect to after successful logon
+        /// </summary>
+        public string RedirectURL { get; set; }
+
+        /// <summary>
+        /// User's username
+        /// </summary>
+        public string UserName { get; set; }
+
+        /// <summary>
+        /// User's password
+        /// </summary>
+        public string Password { get; set; }
+    }
+}