fix: pass through client errors (400/404/409/422) and strip stale item references when store=false #511
+41
−12
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Problem
OpenClaw sends POST /v1/responses with input items referencing previous response IDs (rs_...). Since OAuth accounts force store=false, these items are never persisted on OpenAI's side, causing 404 errors. The proxy converts 404 to a generic 502, so the client keeps retrying the same broken request in an infinite loop.
Changes
Result