import type { AgencyConfig } from "../config.js";
import type { BaseGrader } from "./grading/baseGrader.js";
import type { Input } from "./grading/types.js";
import type { OptimizeResult } from "./types.js";
/** What to optimize: an agent (file[:node]) and the inputs to run it on,
 *  plus an optional held-out validation set used to pick the champion. */
export type OptimizeTarget = {
    agent: string;
    inputs: Input[];
    validationInputs?: Input[];
};
/** Cross-cutting config every optimizer needs; each optimizer may extend it. */
export type BaseOptimizerConfig = {
    graders: BaseGrader[];
    iterations: number;
    seed?: number;
    config: AgencyConfig;
    runsDir: string;
    runId: string;
    writeback?: boolean;
    mutatorModel?: string;
    /** Progress output verbosity. Defaults to silent (programmatic use); the CLI sets "default". */
    verbosity?: "silent" | "default";
};
/** A pluggable optimization strategy. */
export type Optimizer = {
    readonly name: string;
    optimize(target: OptimizeTarget): Promise<OptimizeResult>;
};
export type OptimizerFactory = (config: BaseOptimizerConfig) => Optimizer;