Function cacheExtraUsageDisabledReason

src/services/claudeAiLimits.ts:441–452

* Cache the extra usage disabled reason from API headers.

(headers: globalThis.Headers)

 * Cache the extra usage disabled reason from API headers.
 */
function cacheExtraUsageDisabledReason(headers: globalThis.Headers): void {
  // A null reason means extra usage is enabled (no disabled reason header)
  const reason =
    headers.get('anthropic-ratelimit-unified-overage-disabled-reason') ?? null
  const cached = getGlobalConfig().cachedExtraUsageDisabledReason
  if (cached !== reason) {
    saveGlobalConfig(current => ({
      ...current,
      cachedExtraUsageDisabledReason: reason,
    }))
  }
}

export function extractQuotaStatusFromHeaders(
  headers: globalThis.Headers,