export declare const NARRATION_LOG: string;
/** Emit one spoken line (fire-and-forget; never throws into the action path). */
export declare function emitNarration(text: string, source?: string): void;
/**
 * Watch for new narration lines (TUI side). Starts at the CURRENT end of the
 * file — history is never replayed as speech. Returns a stop function.
 */
export declare function watchNarration(onLine: (text: string, source: string) => void, pollMs?: number): () => void;