/**
 * [WHO]: TeamStateStore class — durable teammate persistence
 * [FROM]: Depends on node:fs/promises, node:path, node:os, ./team-types
 * [TO]: Consumed by team-runtime.ts
 * [HERE]: extensions/builtin/team/team-state-store.ts - one JSON file per teammate under <agentDir>/teams/
 *
 * Deliberately independent of core SessionManager. Per refactor plan:
 * "team-state-store 自己负责 teammate 历史 ... SessionManager 只负责主会话".
 */
import type { PersistedTeammate } from "./team-types.js";
/**
 * Resolve the agent dir using the canonical getAgentDir() from config.ts.
 * Previously used NANOPENCIL_AGENT_DIR env directly (wrong name — should be
 * CATUI_CODING_AGENT_DIR). Now reuses the single source of truth.
 */
export declare class TeamStateStore {
    private readonly dir;
    constructor(storageDir?: string);
    /** Absolute storage directory for teammates. */
    get directory(): string;
    private fileFor;
    private ensureDir;
    /** Load all persisted teammates. Skips corrupt files. */
    loadAll(): Promise<PersistedTeammate[]>;
    /** Save (overwrite) one teammate record. */
    save(state: PersistedTeammate): Promise<void>;
    /** Remove a teammate's persisted file. No-op if missing. */
    remove(id: string): Promise<void>;
}