const getTimestamp = () => new Date().toISOString(); export const logger = { info: (message: string, ...args: unknown[]) => { console.log(`[INFO] [${getTimestamp()}] ${message}`, ...args); }, warn: (message: string, ...args: unknown[]) => { console.warn(`[WARN] [${getTimestamp()}] ${message}`, ...args); }, error: (message: string, error?: unknown) => { console.error(`[ERROR] [${getTimestamp()}] ${message}`, error); if (error instanceof Error) { console.error(error.stack); } }, debug: (message: string, ...args: unknown[]) => { if (process.env.NODE_ENV === 'development') { console.debug(`[DEBUG] [${getTimestamp()}] ${message}`, ...args); } } };