/**
 * Remember the last model/effort per provider so /model and /setup can switch
 * routes without wiping the previous provider's choice.
 */
import z from '@deepseek-ai/schemastery';
import type { Context } from '@deepseek-ai/cordis';
export declare const ROUTE_MEMORY_NAMESPACE: import("@deepseek-ai/dsh-settings").SettingsNamespace;
/** The shape `ssh-tui-routes` takes in `$DSH_HOME/settings.yaml`. */
export interface RouteMemorySettings {
    providers: Record<string, {
        model: string;
        reasoningEffort: string;
        updatedAt: number;
    }>;
}
/**
 * Settings schema for `$DSH_HOME/settings.yaml` under ssh-tui-routes.
 *
 * The type argument is spelled out rather than inferred: `schemastery`'s
 * builder names its own package internally, so an inferred schema makes `tsc`
 * emit a declaration that references a path inside `node_modules` and fails
 * with TS2742 on any layout that does not match this machine's.
 */
export declare const ROUTE_MEMORY_SCHEMA: z<RouteMemorySettings>;
export interface RememberedRoute {
    model: string;
    reasoningEffort?: string;
    /** Epoch ms of the last time this route was persisted (0 for legacy entries). */
    updatedAt?: number;
}
export type RouteMemoryMap = Record<string, RememberedRoute>;
export declare function parseRouteMemory(raw: unknown): RouteMemoryMap;
export declare function rememberedRouteFor(memory: RouteMemoryMap, provider: string): RememberedRoute | undefined;
/** The most recently persisted route (highest updatedAt), or undefined. */
export declare function latestRememberedRoute(memory: RouteMemoryMap): (RememberedRoute & {
    provider: string;
}) | undefined;
/** Register the route-memory settings section so /model and /provider can persist. */
export declare function installRouteMemory(ctx: Context): void;
export declare function upsertRememberedRoute(memory: RouteMemoryMap, provider: string, route: RememberedRoute): RouteMemoryMap;