Function saveMessageHistory

cli/src/utils/message-history.ts:96–123

(history: string[])

 * Save message history to file system
 */
export const saveMessageHistory = (history: string[]): void => {
  const configDir = getConfigDir()
  const historyPath = getMessageHistoryPath()

  try {
    // Ensure config directory exists
    if (!fs.existsSync(configDir)) {
      fs.mkdirSync(configDir, { recursive: true })
    }

    // Limit history size to prevent file from growing too large
    const limitedHistory =
      history.length > MAX_HISTORY_SIZE
        ? history.slice(history.length - MAX_HISTORY_SIZE)
        : history

    // Save history
    fs.writeFileSync(historyPath, JSON.stringify(limitedHistory, null, 2))
  } catch (error) {
    logger.error(
      {
        error: error instanceof Error ? error.message : String(error),
      },
      'Error saving message history',
    )
    // Don't throw - history persistence is not critical
  }
}

/**
 * Clear message history from file system