Interface LangGraphFlowOptions<Input, Output>

interface LangGraphFlowOptions<Input, Output> {
    checkpointNs?:
        | string
        | ((flow: FerricFlowHandlerContext) => string | Promise<string>);
    config?: (
        flow: FerricFlowHandlerContext,
    ) =>
        | LangGraphInvocationConfig
        | Promise<LangGraphInvocationConfig | undefined>
        | undefined;
    context?: (flow: FerricFlowHandlerContext) => unknown;
    input?: (flow: FerricFlowHandlerContext) => Input | Promise<Input>;
    interruptState?: string;
    invokeOptions?: LangGraphInvocationConfig;
    onComplete?: LangGraphOutcomeMapper<Output>;
    onInterrupt?: LangGraphOutcomeMapper<Output>;
    recoverExisting?: boolean;
    threadId?: (flow: FerricFlowHandlerContext) => string | Promise<string>;
}