import { z } from "zod";
import type { AgentTool } from "@kenkaiiii/gg-agent";
declare const AuditFirstFrameParams: z.ZodObject<{
    input: z.ZodString;
    detail: z.ZodOptional<z.ZodEnum<{
        low: "low";
        high: "high";
    }>>;
    model: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
interface FirstFrameVisionResponse {
    score: number;
    hasFace: boolean;
    faceProminent: boolean;
    hasReadableText: boolean;
    hasClearSubject: boolean;
    hasMotion: boolean;
    mode: "static-logo" | "cold-open-load" | "face-blink" | "usable" | "strong";
    findings: string[];
}
/**
 * audit_first_frame — score t=0.0s as if it were the thumbnail.
 *
 * Per Hoyos / Galloway: "treat the first frame like a thumbnail."
 * Autoplay surfaces the first frame BEFORE audio loads, so a logo slate
 * or cold-open hold tanks retention before viewers ever hear the hook.
 */
export declare function createAuditFirstFrameTool(cwd: string): AgentTool<typeof AuditFirstFrameParams>;
/**
 * Parse the model's JSON response. Robust to missing keys / weird types
 * — never throws as long as the JSON itself is valid. Pure — exported
 * for testing.
 */
export declare function parseFirstFrameResponse(content: string): FirstFrameVisionResponse;
export {};
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