@adonis-agora/agent/dist/src/spi/reranker.d.ts

Governed, durable-backed AI agent (chat + tool-calling + governance) for AdonisJS — part of the Agora ecosystem.

import type { Passage } from './retriever.js';
export interface RerankOptions {
    /** Keep only the top N after reranking. Undefined → keep all, reordered. */
    topK?: number;
}
/**
 * Re-scores retrieved passages against the query with a stronger (usually cross-encoder) model than
 * the first-stage retriever — the standard precision boost for RAG. It's a black box like
 * {@link import('./retriever.js').Retriever}: bring a Cohere/Voyage rerank endpoint or a local
 * cross-encoder. Compose one over a base retriever with
 * {@link import('../rag/reranking-retriever.js').RerankingRetriever}. Provider implementations are
 * deferred this round (SPI only); the testing kit ships a deterministic lexical-overlap reranker.
 * Mirrors the reference `Reranker` contract exactly.
 */
export interface Reranker {
    /** Re-order `passages` by relevance to `query`, rewriting their `score`; may drop to `topK`. */
    rerank(query: string, passages: Passage[], options?: RerankOptions): Promise<Passage[]>;
}
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