export declare const CHAT_TEXT_MAX_BYTES = 4096;
export declare const HUMAN_SUMMARY = "HQ chat inbox, read by Ben (the human) in HQ. Send status reports and replies here.";
export interface ChatMessage {
    id: number;
    ts: string;
    dir: 'in' | 'out';
    /** in: the sender. */
    peer_id?: string;
    /** out: a peer id, or "all". */
    to?: string;
    project_id?: string;
    cwd?: string;
    text: string;
}
export declare function chatLogPath(): string;
export declare function readChat(since?: number, limit?: number): {
    messages: ChatMessage[];
    human_peer_id: string | null;
    peer_live: boolean;
};
export declare class ChatError extends Error {
    readonly status: number;
    readonly code: string;
    constructor(status: number, code: string, message: string);
}
export declare function sendChat(to: unknown, text: unknown): Promise<{
    ok: boolean;
    delivered: string[];
    failed: Array<{
        peer_id: string;
        error: string;
    }>;
}>;
/**
 * Every inbound message in the on-disk log, not just the in-memory window.
 * For artifacts.backfill_chat; unreadable lines are skipped as in loadLog.
 */
export declare function readAllInbound(): ChatMessage[];
/** Start the chat peer and its loops (daemon mode). Returns a stop function. */
export declare function startChat(opts?: {
    pollMs?: number;
    heartbeatMs?: number;
    presenceMs?: number;
}): () => void;
/** Test seam: forget in-memory state so a test can point HOME elsewhere. */
export declare function _resetChat(): void;
//# sourceMappingURL=chat.d.ts.map