export type StatusKind = "tool" | "heartbeat" | "wake" | "action" | "progress";
export type StatusRequest = {
    kind: StatusKind;
    /** Optional internal tool name — NEVER spoken; only shapes the sketch */
    tool?: string;
    /** Human sketch of the moment (already plain if possible) */
    detail?: string;
    /** Free-text situation / goal */
    context?: string;
    /** Recent spoken lines so the next one continues the story */
    recent?: string[];
};
/** Map internal tool+detail → a non-technical sketch the status model can use. */
export declare function humanSketch(tool?: string, detail?: string, context?: string): string;
/**
 * Build the chat-completions request body for one status line. Pure — split out
 * so the reasoning-model handling (the fix for silent wake acks) is unit-tested
 * without a live model call.
 */
export declare function fastLaneRequestBody(model: string, req: StatusRequest): Record<string, unknown>;
/**
 * Ask the fast-lane model for one plain status line. Null on any failure.
 * Concurrent callers share one in-flight request.
 */
export declare function fastLaneStatus(req: StatusRequest): Promise<string | null>;
/** Fire-and-forget status line. */
export declare function speakFastLaneStatus(req: StatusRequest, speak: (line: string) => void): void;
/** Snapshot of recent lines (for tests / debugging). */
export declare function recentStatusLines(): string[];