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.DataSync/JdeScoping.DataSync.csproj

@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <InternalsVisibleTo Include="JdeScoping.DataSync.Tests" />
+    <InternalsVisibleTo Include="JdeScoping.DataSync.IntegrationTests" />
+    <InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\JdeScoping.Core\JdeScoping.Core.csproj" />
+    <ProjectReference Include="..\JdeScoping.DataAccess\JdeScoping.DataAccess.csproj" />
+    <ProjectReference Include="..\JdeScoping.DataSync.SourceGenerators\JdeScoping.DataSync.SourceGenerators.csproj"
+                      OutputItemType="Analyzer"
+                      ReferenceOutputAssembly="false" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="6.1.3" />
+    <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="10.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="10.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Options" Version="10.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="10.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Options.DataAnnotations" Version="10.0.1" />
+  </ItemGroup>
+
+</Project>