/** Agent-preset policy kept independent from the Ink surface. */
import type { Context } from '@deepseek-ai/cordis';
import type { Agent } from '@deepseek-ai/dsh-agent';
import type { AgentPreset, AgentPresets } from '@deepseek-ai/dsh-agent-presets';
import type { Session, SessionEvent } from '@deepseek-ai/dsh-session';
/** One discoverable agent composition. */
export type PresetRow = AgentPreset;
/** Public compatibility alias for the official upstream service type. */
export type AgentPresetsService = AgentPresets;
/** Read an optional Cordis service without requiring its package at build time. */
export declare function agentPresetsFrom(ctx: Context): AgentPresetsService | undefined;
/** A preset may change only before the first durable turn begins. */
export declare function isBlankSession(events: readonly SessionEvent[]): boolean;
/** Translate a preset id recorded before an upstream rename to its current id. */
export declare function normalizePresetId(id: string): string;
export declare function normalizePresetId(id: string | undefined): string | undefined;
/** Latest logged selection wins; legacy sessions deliberately fall back to standard. */
export declare function resolvePreset(session: Pick<Session, 'header' | 'snapshotEvents'>): string;
/** Resolve a pre-session choice, or recompose an active blank Agent. */
export declare function selectPreset(service: AgentPresetsService, agent: Agent | undefined, presetId: string): Promise<PresetRow>;
/** Recompose atomically from the caller's perspective, logging only success. */
export declare function switchPreset(service: AgentPresetsService, agent: Agent, presetId: string): Promise<PresetRow>;