Function getPromptTooLongTokenGap

src/services/api/errors.ts:104–118

(
  msg: AssistantMessage,
)

 * instead of peeling one-at-a-time.
 */
export function getPromptTooLongTokenGap(
  msg: AssistantMessage,
): number | undefined {
  if (!isPromptTooLongMessage(msg) || !msg.errorDetails) {
    return undefined
  }
  const { actualTokens, limitTokens } = parsePromptTooLongTokenCounts(
    msg.errorDetails,
  )
  if (actualTokens === undefined || limitTokens === undefined) {
    return undefined
  }
  const gap = actualTokens - limitTokens
  return gap > 0 ? gap : undefined
}

/**
 * Is this raw API error text a media-size rejection that stripImagesFromMessages