// scope_defer_macro.nyash
// MVP scaffold: detect @scope/@defer style markers in AST JSON (string) and keep identity.
// Future: attach scope attrs to blocks and emit MIR hints in lowering.

static box MacroBoxSpec {
  name() { return "ScopeDeferScaffold" }

  expand(json, ctx) {
    // For now, return input as-is. This keeps behavior unchanged and allows
    // us to enable/disable the macro without risk. Future versions will:
    //  - parse attributes/comments/markers to attach scope metadata
    //  - leave semantic code intact (zero-cost in release)
    return json
  }
}