export interface RAGSource {
    id: string;
    title: string;
    sourceType: 'pdf' | 'docx' | 'txt' | 'csv' | 'web' | 'other';
    score: number;
    snippet: string;
    metadata?: {
        pageNumber?: number;
        filePath?: string;
        author?: string;
        publishDate?: string;
        chunkIndex?: number;
        [key: string]: any;
    };
}