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.Client/Models/ComponentLotViewModel.cs

@@ -0,0 +1,21 @@
+namespace JdeScoping.Client.Models;
+
+/// <summary>
+/// View model for component lot filter.
+/// </summary>
+public class ComponentLotViewModel
+{
+    public string LotNumber { get; set; } = string.Empty;
+    public string ItemNumber { get; set; } = string.Empty;
+
+    public override bool Equals(object? obj)
+    {
+        if (obj is ComponentLotViewModel other)
+        {
+            return LotNumber == other.LotNumber && ItemNumber == other.ItemNumber;
+        }
+        return false;
+    }
+
+    public override int GetHashCode() => HashCode.Combine(LotNumber, ItemNumber);
+}