/**
 * Live-edit evaluation: the one thing the main gold set structurally cannot
 * measure.
 *
 * The eval corpus is a pinned checkout that exactly matches the embedding
 * index, so every retriever sees the same content and the grep leg looks
 * redundant — measurably so, since it is a significant regression once BM25 is
 * present. But an agent's corpus is *not* a clean checkout: it edits files as
 * it works, and the daemon has no file watcher, so anything written during a
 * session is invisible to both dense and BM25 until the next index build.
 * Grep is the only leg that sees it.
 *
 * This applies edits to the corpus **after** indexing and then asks queries
 * that only those edits can answer. A retriever backed by the index scores 0
 * by construction; grep scores what it can actually find. That is the number
 * the decision to keep or drop the grep leg rests on, and nothing in the main
 * sweep produces it.
 *
 * Gold line ranges are resolved from anchors after the edits land, so the
 * fixture never hardcodes line numbers for content it also defines.
 */
import type { EvalQuery } from "./eval.js";
/** A file written into the corpus after indexing. */
export interface LiveEdit {
    /** Repo-relative POSIX path. Created if absent, overwritten if present. */
    path: string;
    /** Full file contents. Held inline so the edit is reproducible from the
     *  fixture alone, with no dependency on what the corpus already held. */
    content: string;
    /** Why this edit exists — reporting only. */
    note?: string;
}
export interface LiveEditFixture {
    edits: LiveEdit[];
    /** Queries answerable *only* from the edited content. */
    queries: EvalQuery[];
}
export declare function loadLiveEditFixture(fixturePath: string): LiveEditFixture;
/**
 * Write the edits into `corpusRoot`, then resolve the queries' gold ranges
 * against the resulting tree.
 *
 * Order matters: resolving before the write would look for anchors in content
 * that does not exist yet.
 */
export declare function applyLiveEdits(corpusRoot: string, fixture: LiveEditFixture): {
    queries: EvalQuery[];
    issues: string[];
};
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