AI 에이전트가 전문 Excel 파일 생성

let pipeline = SequentialAgent::new(
    "spreadsheet_builder",
    vec![
        Arc::new(planner),
        Arc::new(writer),
        Arc::new(styler),
    ],
);

let runner = Runner::builder()
    .app_name("excel_agent")
    .agent(Arc::new(pipeline))
    .session_service(postgres_sessions)
    .compaction_config(compaction)
    .build()?;

let client = ().serve(
    TokioChildProcess::new(Command::new(excel_mcp_server))?
).await?;

let tools = McpToolset::new(client)
    .with_connection_factory(factory)
    .with_refresh_config(
        RefreshConfig::default().with_max_attempts(3)
    );