import OpenAI from "openai";
import type Anthropic from "@anthropic-ai/sdk";
import type { ReplContext } from "./types.js";
/**
 * OpenAI agent turn — mirrors the Anthropic loop in agent.ts but speaks the
 * OpenAI Chat Completions API (official `openai` SDK).
 *
 * History stays canonical in Anthropic block format on context.messages; we
 * translate to OpenAI messages on the way in and store OpenAI output back as
 * Anthropic blocks on the way out, so users can switch providers mid-session.
 */
type ChatMessage = OpenAI.Chat.Completions.ChatCompletionMessageParam;
/**
 * Translate the canonical Anthropic-format history + system prompt into the
 * flat OpenAI chat message array.
 */
export declare function historyToOpenAI(systemPrompt: string, messages: Anthropic.MessageParam[]): ChatMessage[];
export declare function runOpenAiTurn(userMessage: string, context: ReplContext): Promise<void>;
export {};
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