ConfigModule

Core configuration management for API keys, environment, and runtime settings.

import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import dotenv from "dotenv";
import YAML from "yaml";
import { findWorkspaceRoot } from "./utils.js";

export type LlmProtocol = "openai" | "anthropic";

/**
 * AI runner type - determines which CLI tool to use for AI execution
 */
export type RunnerType = "opencode" | "claude-code";

export interface LlmConfig {
  baseUrl: string;
  apiKey: string;
  model: string;
  protocol: LlmProtocol;
  maxTokens: number;
  temperature: number;
  timeoutMs: number;
  authHeader?: string;
  authScheme?: string;
  extraHeaders?: Record<string, string>;
  /**
   * Per-checkpoint model overrides. The key is the checkpoint id (e.g.
   * "l3_gen", "l4_gen", "implementation") and the value is a model slug
   * supported by the

... (truncated -- full source via MCP)