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;
}