export interface SessionFrame {
    stream: 'stdout' | 'stderr';
    text: string;
    at: string;
}
export interface SessionMeta {
    sessionId: string;
    agentId: string;
    projectId?: string;
    taskId?: string;
    mode: 'run' | 'chat' | 'build';
    model?: string | null;
}
export declare function sessionsDir(): string;
/** Generates a session id (`session_<uuid>`), shared by spawn/daemon. */
export declare function newSessionId(): string;
export declare class SessionStream {
    readonly sessionId: string;
    readonly meta: SessionMeta;
    private readonly startedAtISO;
    private socket;
    private lines;
    private pending;
    private timer;
    private ended;
    private started;
    constructor(meta: SessionMeta);
    /** Best-effort connect + emit session:start. Never throws. */
    connect(wsBase: string, apiKey: string): void;
    /** Tees a console line into the stream buffer (batched upstream). */
    line(text: string, stream?: 'stdout' | 'stderr'): void;
    private emitFrame;
    private flush;
    /** Flushes and emits session:end (waits briefly for the ack). */
    end(exitCode: number | null): Promise<void>;
    /** Writes the transcript tail to ~/.teamshare/sessions/<id>.json. */
    private persist;
}