/** Durable metadata for a provider-authored assistant turn, copied at its writer. */
import type { LLMMessage } from '../../provider-contract/types.js';
import type { AgentState } from './types.js';
/**
 * The adapter owns the evidence; core only carries it alongside the text it
 * actually delivered. Presence is checked without a tracked read, so a run on
 * a provider with no replay evidence gains no phantom context source. Thinking
 * joins this carrier only when the provider supplied replay evidence; legacy
 * message writers retain their existing thinking behaviour otherwise.
 */
export declare function assistantReplayFields(state: Pick<Partial<AgentState>, 'llmLatestReplay' | 'thinkingBlocks'>): Pick<LLMMessage, 'replay' | 'thinkingBlocks'>;