import type { KibiConfig } from '../types.js';
declare const CONFIG_DIR: string;
declare const CONFIG_PATH: string;
declare const DEFAULT_API_URL = "https://api.kibi.bot";
declare const DEFAULT_LLM_URL = "https://llm.kibi.bot/v1";
/**
 * Read config from disk. Returns defaults for missing values.
 */
export declare function readConfig(): KibiConfig;
/**
 * Write config to disk. Merges with existing config.
 * Creates ~/.kibi/ if needed. Sets file permissions to 0600.
 */
export declare function writeConfig(updates: Partial<KibiConfig>): void;
/**
 * Delete config file (logout).
 */
export declare function clearConfig(): void;
/**
 * Get a specific config value.
 */
export declare function getConfigValue(key: keyof KibiConfig): string | undefined;
/**
 * Set a specific config value.
 */
export declare function setConfigValue(key: keyof KibiConfig, value: string): void;
/**
 * Get the API key or throw a helpful error.
 */
export declare function requireApiKey(): string;
export { CONFIG_PATH, CONFIG_DIR, DEFAULT_API_URL, DEFAULT_LLM_URL };