Function buildFailureHeader

buildFailureHeader(
    totalBanks: number,
    failedCount: number,
    durationSec: string,
): string
Builds the reply header, distinguishing a partial run from a total failure.
Parameters
- totalBanks: number
  Number of banks the batch attempted.
- failedCount: number
  Number of banks that failed.
- durationSec: string
  Batch duration in whole seconds.
Returns string
Single header line.
- Defined in Services/Telegram/BatchFailureReply.ts:158