/** Short human phrase for a tool call — what a person would mutter doing it. */
export declare function phraseForTool(toolName: string, args: unknown): string | null;
/** Called at every tool-execution start (pi-embedded-subscribe). */
export declare function narrateToolStart(toolName: string, args: unknown, description?: string): void;
export declare function noteRunStarted(): void;
export declare function noteRunEnded(): void;