import type { WorkflowFileStat, WorkflowFileSystem } from "../../agent-harness-tools/dist/index.js";
export interface ExperimentFileStat extends WorkflowFileStat {
    isFile(): boolean;
    isDirectory(): boolean;
    mtimeMs: number;
}
export interface ExperimentLinkStat {
    isSymbolicLink(): boolean;
}
export interface ExperimentFileSystem extends WorkflowFileSystem {
    writeFile(path: string, content: string, options?: {
        encoding?: BufferEncoding;
        flag?: string;
        mode?: number;
    }): Promise<void>;
    readdir(path: string): Promise<string[]>;
    appendFile(path: string, content: string): Promise<void>;
    stat(path: string): Promise<ExperimentFileStat>;
    lstat(path: string): Promise<ExperimentLinkStat>;
    rename(oldPath: string, newPath: string): Promise<void>;
    unlink(path: string): Promise<void>;
}
export interface ExperimentGit {
    reset(commitHash: string, cwd: string): Promise<void>;
    currentHash(cwd: string): Promise<string>;
}
export type ExecFn = (command: string, options?: {
    cwd?: string;
    timeout?: number;
}) => Promise<{
    stdout: string;
    stderr: string;
    exitCode: number;
}>;
export type MetricDirection = "minimize" | "maximize" | "stable";
export interface MetricDef {
    name: string;
    script: string;
    direction: MetricDirection;
    delta?: number;
}
export interface AgentRunInput {
    agent: string;
    prompt: string;
    cwd: string;
    model?: string;
    runtime?: "host" | "docker";
    runtimeImage?: string;
    detach?: boolean;
    mountPoeCode?: boolean;
    runnerSync?: "both" | "upload" | "none";
    signal?: AbortSignal;
    logDir?: string;
    logFileName?: string;
}
export interface AgentRunResult {
    stdout: string;
    stderr: string;
    exitCode: number;
}
export type ExperimentCallbackResult = void | Promise<void>;
export interface ExperimentRunOptions {
    cwd: string;
    homeDir: string;
    docPath: string;
    agent?: string | string[];
    runtime?: "host" | "docker";
    runtimeImage?: string;
    detach?: boolean;
    mountPoeCode?: boolean;
    runnerSync?: "both" | "upload" | "none";
    maxExperiments?: number;
    fs?: ExperimentFileSystem;
    git?: ExperimentGit;
    exec?: ExecFn;
    runAgent?: (input: AgentRunInput) => Promise<AgentRunResult>;
    onExperimentStart?: (index: number, agent: string) => ExperimentCallbackResult;
    onBaselineCollected?: (baseline: Record<string, number>) => ExperimentCallbackResult;
    onCommit?: (commitHash: string) => ExperimentCallbackResult;
    onMetricResult?: (metric: MetricDef, result: EvalResult) => ExperimentCallbackResult;
    onReset?: (targetHash: string) => ExperimentCallbackResult;
    onExperimentComplete?: (index: number, entry: JournalEntry) => ExperimentCallbackResult;
    signal?: AbortSignal;
}
export type ExperimentStopReason = "max_experiments" | "cancelled";
export interface ExperimentRunResult {
    stopReason: ExperimentStopReason;
    docPath: string;
    experimentsCompleted: number;
    experimentsKept: number;
    totalDurationMs: number;
}
export interface EvalResult {
    score: number | null;
    passed: boolean;
    output: string;
}
export interface JournalEntry {
    commit: string;
    status: "keep" | "discard";
    scores?: Record<string, number>;
    output: string;
    agentOutput: string;
    durationMs: number;
    timestamp: string;
}
export interface RunConfig {
    prompt: string;
}