Function fetchWithRetry

src/services/remoteManagedSettings/index.ts:209–242

* Fetch remote settings with retry logic and exponential backoff * Uses existing codebase retry utilities for consistency

(
  cachedChecksum?: string,
)

 * Uses existing codebase retry utilities for consistency
 */
async function fetchWithRetry(
  cachedChecksum?: string,
): Promise<RemoteManagedSettingsFetchResult> {
  let lastResult: RemoteManagedSettingsFetchResult | null = null

  for (let attempt = 1; attempt <= DEFAULT_MAX_RETRIES + 1; attempt++) {
    lastResult = await fetchRemoteManagedSettings(cachedChecksum)

    // Return immediately on success
    if (lastResult.success) {
      return lastResult
    }

    // Don't retry if the error is not retryable (e.g., auth errors)
    if (lastResult.skipRetry) {
      return lastResult
    }

    // If we've exhausted retries, return the last error
    if (attempt > DEFAULT_MAX_RETRIES) {
      return lastResult
    }

    // Calculate delay and wait before next retry
    const delayMs = getRetryDelay(attempt)
    logForDebugging(
      `Remote settings: Retry ${attempt}/${DEFAULT_MAX_RETRIES} after ${delayMs}ms`,
    )
    await sleep(delayMs)
  }

  // Should never reach here, but TypeScript needs it
  return lastResult!
}

/**
 * Fetch the full remote settings (single attempt, no retries)