Directory.Build.targets

<Project>
  <ItemGroup Condition="'$(CopilotSdkProjectPath)' != ''">
    <PackageReference Remove="GitHub.Copilot.SDK" />
    <ProjectReference Include="$(CopilotSdkProjectPath)" />
  </ItemGroup>

  <Target Name="_ValidateLocalCopilotSdkProject"
          BeforeTargets="CollectPackageReferences;ResolveReferences"
          Condition="'$(CopilotSdkProjectPath)' != ''">
    <Error Condition="!Exists('$(CopilotSdkProjectPath)')"
           Text="CopilotSdkProjectPath points to '$(CopilotSdkProjectPath)', but that project file was not found. Update Directory.Build.props.local or remove the override." />
    <Message Importance="High"
             Text="Using local GitHub.Copilot.SDK project reference: $(CopilotSdkProjectPath)" />
  </Target>
</Project>