export interface Node {
    node_id: string;
    node_type: string;
    node_name?: string;
    node_input: string;
    node_output: string;
    chain_root_id: string;
    step: number;
    chain_id?: string;
    has_children: boolean;
    inputs: Record<string, unknown>;
    prompt?: string;
    response?: string;
    creation_timestamp: number;
    finish_reason: string;
    latency?: number | null;
    query_input_tokens: number;
    query_output_tokens: number;
    query_total_tokens: number;
    params: Record<string, unknown>;
    target?: string;
    tools?: string;
}