\begin{figure}[ht]
\centering
\begin{tikzpicture}[
  font=\small,
  stage/.style={draw=ipsblue, rounded corners=3pt, align=center, inner sep=5pt,
    minimum height=1.0cm, minimum width=2.15cm, fill=codebg},
  arr/.style={-{Latex}, thick, ipsblue}
]
  \node[stage] (dl) {1. Descarga\\agent Selenium};
  \node[stage, right=0.5cm of dl] (cnt) {2. Conteo\\OCR/ONNX};
  \node[stage, right=0.5cm of cnt] (ext) {3. Extracci\'on\\LLM + ARQ};
  \node[stage, right=0.5cm of ext] (cln) {4. Limpieza\\CSV/reglas};

  \draw[arr] (dl) -- (cnt);
  \draw[arr] (cnt) -- (ext);
  \draw[arr] (ext) -- (cln);

  \node[below=0.35cm of dl, font=\footnotesize\itshape, text=ipsgrey, align=center]
    {orquestado por\\bot-descarga};
  \node[below=0.35cm of cnt, font=\footnotesize\itshape, text=ipsgrey, align=center]
    {filtro};
  \node[below=0.35cm of ext, font=\footnotesize\itshape, text=ipsgrey, align=center]
    {filas PG};
  \node[below=0.35cm of cln, font=\footnotesize\itshape, text=ipsgrey, align=center]
    {lote limpio};
\end{tikzpicture}
\caption{Pipeline punta a punta. La descarga la hace el \textbf{agent Selenium} (PC);
el servicio \texttt{bot-descarga} solo orquesta jobs/claim/heartbeats.}
\label{fig:pipeline-negocio}
\end{figure}