/**
 * ChatContextDigest — distilled view of a chat session used as anti-duplication
 * input for the decision-question generator. Each field is bounded so the
 * digest stays compact even as sessions grow.
 */
import { z } from "zod";
export declare const ChatContextDigestSchema: z.ZodObject<{
    /** Facts the user volunteered (stage, location, role, timing, scope, …). */
    statedFacts: z.ZodArray<z.ZodString, "many">;
    /** Questions the assistant asked that the user has not yet answered. */
    openQuestions: z.ZodArray<z.ZodString, "many">;
    /** User pushback / negative signals on prior cards. */
    rejectionReasons: z.ZodArray<z.ZodString, "many">;
    /** Facts the assistant has already surfaced from prior negotiation turns. */
    surfacedFindings: z.ZodArray<z.ZodString, "many">;
}, "strip", z.ZodTypeAny, {
    statedFacts: string[];
    openQuestions: string[];
    rejectionReasons: string[];
    surfacedFindings: string[];
}, {
    statedFacts: string[];
    openQuestions: string[];
    rejectionReasons: string[];
    surfacedFindings: string[];
}>;
export type ChatContextDigest = z.infer<typeof ChatContextDigestSchema>;