if (codexUsageLimitMessage) {

return codexUsageLimitMessage;

}

if (isFallbackSummaryError(err) && hasBillingAttemptSummary(err)) {

return BILLING_ERROR_USER_MESSAGE;

}

const message = formatErrorMessage(err);

if (isBillingErrorMessage(message)) {

return BILLING_ERROR_USER_MESSAGE;

}

if (!isFallbackSummaryError(err)) {

return "⚠️ All models are temporarily rate-limited. Please try again in a few minutes.";

}

);

}

function isPureBillingSummary(err: unknown): boolean {

function hasBillingAttemptSummary(err: unknown): boolean {

return (

isFallbackSummaryError(err) &&

err.attempts.length > 0 &&

err.attempts.every((attempt) => attempt.reason === "billing")

err.attempts.some((attempt) => attempt.reason === "billing")

);

}

const message = formatErrorMessage(params.err);

const isFallbackSummary = isFallbackSummaryError(params.err);

const isBilling = isFallbackSummary

? isPureBillingSummary(params.err)

? hasBillingAttemptSummary(params.err)

: isBillingErrorMessage(message);

if (isBilling) {

return markAgentRunFailureReplyPayload({

}

const message = formatErrorMessage(err);

const isBilling = isFallbackSummaryError(err)

? isPureBillingSummary(err)

? hasBillingAttemptSummary(err)

: isBillingErrorMessage(message);

const isContextOverflow = !isBilling && isLikelyContextOverflowError(message);

const isCompactionFailure = !isBilling && isCompactionFailureError(message);