/**
 * Types for the QMD benchmark harness.
 *
 * A benchmark fixture defines queries with expected results.
 * The harness runs each query through multiple search backends
 * and measures precision, recall, MRR, and latency.
 */
export interface BenchmarkQuery {
    /** Unique identifier for the query */
    id: string;
    /** The search query text */
    query: string;
    /** Query difficulty/type for grouping results */
    type: "exact" | "semantic" | "topical" | "cross-domain" | "alias";
    /** Human-readable description of what this tests */
    description: string;
    /** File paths (relative to collection) that should appear in results */
    expected_files: string[];
    /** How many of expected_files should appear in top-k results */
    expected_in_top_k: number;
}
export interface BenchmarkFixture {
    /** Description of the benchmark */
    description: string;
    /** Fixture format version */
    version: number;
    /** Optional collection to search within */
    collection?: string;
    /** The test queries */
    queries: BenchmarkQuery[];
}
export interface BackendResult {
    /** Fraction of top-k results that are relevant */
    precision_at_k: number;
    /** Fraction of expected files found anywhere in results */
    recall: number;
    /** Reciprocal rank of first relevant result (1/rank, 0 if not found) */
    mrr: number;
    /** Harmonic mean of precision_at_k and recall */
    f1: number;
    /** Number of expected files found in top-k */
    hits_at_k: number;
    /** Total expected files */
    total_expected: number;
    /** Wall-clock latency in milliseconds */
    latency_ms: number;
    /** Top result file paths (for inspection) */
    top_files: string[];
}
export interface QueryResult {
    id: string;
    query: string;
    type: string;
    backends: Record<string, BackendResult>;
}
export interface BenchmarkResult {
    timestamp: string;
    fixture: string;
    results: QueryResult[];
    summary: Record<string, {
        avg_precision: number;
        avg_recall: number;
        avg_mrr: number;
        avg_f1: number;
        avg_latency_ms: number;
    }>;
}