digraph LLMQuantCallGraph {
    rankdir=LR;
    node [shape=box, style=rounded];

    BacktestEngine -> LoadMarketData;
    LoadMarketData -> DataBrokerFetch;
    DataBrokerFetch -> BrokerQuery [label="db_session"];
    LoadMarketData -> FeatureAssembly;

    BacktestEngine -> Decide;
    Decide -> ProtocolHost;
    ProtocolHost -> DepartmentRound;
    ProtocolHost -> RiskReview;
    ProtocolHost -> ExecutionSummary;
    Decide -> BeliefRevision;

    ExecutionSummary -> ApplyPortfolio;
    ApplyPortfolio -> RiskEvents;
    ApplyPortfolio -> Alerts;
    ApplyPortfolio -> PersistResults;

    PersistResults -> Reports;
    PersistResults -> UI;
}