Function isRetryableFailure

apps/sim/tools/index.ts:1475–1487

(error: unknown, status?: number)

}

function isRetryableFailure(error: unknown, status?: number): boolean {
  if (status === 429 || (status && status >= 500 && status <= 599)) return true
  if (error instanceof Error) {
    const code = (error as NodeJS.ErrnoException).code
    if (code === 'ETIMEDOUT' || code === 'ECONNRESET' || code === 'ECONNABORTED') {
      return true
    }
    const msg = error.message.toLowerCase()
    if (isBodySizeLimitError(msg)) return false
    return msg.includes('timeout') || msg.includes('timed out')
  }
  return false
}

function calculateBackoff(attempt: number, initialDelayMs: number, maxDelayMs: number): number {
  const base = Math.min(initialDelayMs * 2 ** attempt, maxDelayMs)