/**
 * Pure visual-diff verdict logic, split out of crawler.ts so it can be unit-tested
 * without pulling in crawler.ts's full import graph (Playwright, Stagehand, and
 * transitively @detiq/database, which instantiates a PrismaClient at module load and
 * so requires a live DATABASE_URL just to import the module).
 */
export interface VisualDiffVerdict {
    changeType: 'NONE' | 'MINOR' | 'SIGNIFICANT' | 'CRITICAL';
    recommendation: 'APPROVE' | 'REVIEW' | 'FLAG' | 'BLOCK';
    changes: Array<{
        location: string;
        severity: string;
        description: string;
    }>;
    bugReportDraft?: {
        title: string;
        severity: string;
        steps: string[];
        expected: string;
        actual: string;
    };
    aiSummary?: string;
}
/** Cheap, always-on first-pass verdict from perceptual hash distance + layout/element diffs. */
export declare function pHashVerdict(pHashDistance: number, changeLevel: 'IDENTICAL' | 'MINOR' | 'MODERATE' | 'SIGNIFICANT', changes: Array<{
    location: string;
    severity: string;
    description: string;
}>): VisualDiffVerdict;
/** Replaces a pHash-only verdict with the AI's semantic judgment once it's available,
 *  and drafts a bug report for anything still CRITICAL/SIGNIFICANT after AI review
 *  (pHash flags plenty of anti-aliasing/font-rendering noise the AI correctly discards
 *  as NONE/MINOR — only what survives AI review is worth a draft). */
export declare function mergeAiVisualVerdict(pHashResult: VisualDiffVerdict, aiResult: {
    changeType: string;
    changes: any[];
    recommendation: string;
    diffScore: number;
    summary?: string;
}, screenName: string): VisualDiffVerdict;