scalameta/scalameta

Hi. I am looking for pointers on using scalameta with Scala 3. I have got as far as setting up a working Scala 3 project with a main module and a second module on which that depends (not currently relevant). I have declared a dependency on scala-meta using libraryDependencies += "org.scalameta" % "scalameta_2.13" % "4.4.10" and that works. I have some code to parse in a string as a Source and it parses successfully. I cannot match using QuasiQuotes because they have been dropped from Scala 3 (if I understand correctly). The code looks like this:

import scala.meta._

object Main {
 def main(args: Array[String]): Unit = {
  val program: String = """object Main extends App { print("Hello!") }"""
  val tree: Source = program.parse[Source].get
  println(tree) // => List(Hello World!)
  tree match {
   case Term.Name("Main") => println("Found1")
   case Term.Name("main") => println("Found2")
   case _ => println("Default only")
  }
  "".length // for breakpoint
 }

 def msg = "I was compiled by Scala 3. :)"

}

I am struggling to find a valid match criterion. Ultimately I would like to match on a case class and generate another case class from it. Specifically, I would like to read the list of fields and use that list to generate a similar case class in which each field's type is Option[ORIG_TYPE].