/**
 * Leaper Agent – Process Registry
 * Track running background processes, manage lifecycle, cleanup on exit.
 */
import type { ToolDefinition } from './registry.js';
export type ProcessStatus = 'running' | 'finished' | 'failed' | 'killed';
export interface ProcessSession {
    pid: number;
    id: string;
    cmd: string;
    args: string[];
    cwd: string;
    status: ProcessStatus;
    exit_code?: number;
    started_at: string;
    finished_at?: string;
    stdout_buf: string;
    stderr_buf: string;
    tags: string[];
}
export interface SpawnOptions {
    cmd: string;
    args?: string[];
    cwd?: string;
    env?: Record<string, string>;
    tags?: string[];
    stdin_data?: string;
}
export interface ProcessRegistryState {
    sessions: Record<string, ProcessSession>;
}
export declare class ProcessRegistry {
    private sessions;
    private children;
    private newId;
    private appendBuf;
    spawn(opts: SpawnOptions): ProcessSession;
    poll(id: string): ProcessSession | null;
    log(id: string, stream?: 'stdout' | 'stderr' | 'both', tail?: number): string;
    kill(id: string, signal?: NodeJS.Signals): boolean;
    writeStdin(id: string, data: string): boolean;
    listAll(): ProcessSession[];
    listRunning(): ProcessSession[];
    remove(id: string): boolean;
    saveCheckpoint(): void;
    loadCheckpoint(): void;
    cleanupAll(): void;
}
export declare const globalRegistry: ProcessRegistry;
export declare const processRegistryTool: ToolDefinition;
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