export type ChunkType = 'begin' | 'item' | 'end' | 'error';
export interface StructuredChunk {
    type: ChunkType;
    content?: string;
    metadata: {
        nodeId: string;
        nodeName: string;
        timestamp: number;
        runIndex: number;
        itemIndex: number;
    };
}
export interface NodeStreamingState {
    nodeId: string;
    chunks: string[];
    isActive: boolean;
    startTime: number;
}