When indenting via Summary after interpolation indentation, the comment is not emitted:
using RhoMicro.CodeAnalysis.Lyra;
using static RhoMicro.CodeAnalysis.Lyra.ComponentFactory.Docs;
using var builder = new CSharpSourceBuilder(new CSharpSourceBuilderOptions() { Prelude = (_, _) => { } });
builder.Append(
$"""
{Summary("Foo")}
""");
Console.WriteLine(builder);
outputs:
<summary>
/// Foo
/// </summary>