import type { AgentMessage } from '@earendil-works/pi-agent-core';
import type { VoiceMemorySnapshot } from './memory-context.js';
export interface VoiceConversationContext {
    identity: string;
    history: AgentMessage[];
    memory?: VoiceMemorySnapshot;
}
/** Use the canonical, already-compacted Session context. No tools or hidden reasoning. */
export declare function buildVoiceHistory(messages: AgentMessage[], budget?: number): string;
export declare function voiceMemoryBudget(base: string, context: VoiceConversationContext): number;
export declare function voiceConversationInstructions(base: string, context: VoiceConversationContext): string;