/**
 * Local content sanitizer — strips PII and secrets before sending to API.
 *
 * Inspired by n8n's guardrails implementation (MIT).
 * Replaces sensitive data with category placeholders while preserving
 * the structure and context needed for injection detection.
 */
import type { SanitizeResult } from "./types.js";
export declare function sanitizeContent(content: string): SanitizeResult;
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