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fix: handle Cloudflare HTML 5xx errors gracefully (#1179)

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Co-authored-by: Letta <noreply@letta.com>
This commit is contained in:
jnjpng
2026-02-26 18:26:09 -08:00
committed by GitHub
parent 70fac1d1f3
commit 986cb7dc79
4 changed files with 222 additions and 0 deletions
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6
src/agent/turn-recovery-policy.ts
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@@ -8,6 +8,7 @@
import type { MessageCreate } from "@letta-ai/letta-client/resources/agents/agents";
import type { ApprovalCreate } from "@letta-ai/letta-client/resources/agents/messages";
import { isCloudflareEdge52xHtmlError } from "../cli/helpers/errorFormatter";
import { isZaiNonRetryableError } from "../cli/helpers/zaiErrors";
// ── Error fragment constants ────────────────────────────────────────
@@ -64,6 +65,10 @@ const NON_RETRYABLE_QUOTA_DETAIL_PATTERNS = [
];
const NON_RETRYABLE_4XX_PATTERN = /Error code:\s*4(0[0-8]|1\d|2\d|3\d|4\d|51)/i;
const RETRYABLE_429_PATTERN = /Error code:\s*429|rate limit|too many requests/i;
function isCloudflareEdge52xDetail(detail: unknown): boolean {
if (typeof detail !== "string") return false;
return isCloudflareEdge52xHtmlError(detail);
}
function hasNonRetryableQuotaDetail(detail: unknown): boolean {
if (typeof detail !== "string") return false;
@@ -108,6 +113,7 @@ export function isEmptyResponseError(detail: unknown): boolean {
/** Transient provider/network detail that is usually safe to retry. */
export function isRetryableProviderErrorDetail(detail: unknown): boolean {
if (isCloudflareEdge52xDetail(detail)) return true;
if (typeof detail !== "string") return false;
return RETRYABLE_PROVIDER_DETAIL_PATTERNS.some((pattern) =>
detail.includes(pattern),