\documentclass{jss}
\usepackage{amsmath}

\author{Placeholder Author\\Placeholder Institution}
\title{Placeholder Vignette: Citation Violation}

\Abstract{
  This vignette triggers \code{JSS-CITE-001}. The introduction mistakenly
  wraps a citation key in \code{\emph} instead of \code{\cite}. The
  \code{eval-jss} harness uses this to exercise the AST-rule code path
  end to end.
}

\Keywords{placeholder, citation, smoke}
\Plainkeywords{placeholder, citation, smoke}

\begin{document}
\section{Introduction}

This paper builds on \emph{smith2020} to establish a method.

\end{document}
