}. Please try again or re-authenticate."
2026-05-16T13:14:32.928-04:00 warn model-fallback/decision {"subsystem":"model-fallback/decision"} {"event":"model_fallback_decision","tags":["error_handling","model_fallback","candidate_failed"],"runId":"6193c398-f1bc-4db4-878b-f2a83614e407","sessionId":"de306acc-639e-4e88-afb1-149c4fa70d88","lane":"main","decision":"candidate_failed","requestedProvider":"openai","requestedModel":"gpt-5.5","candidateProvider":"openai","candidateModel":"gpt-5.5","attempt":1,"total":1,"reason":"auth_permanent","status":403,"errorPreview":"OAuth token refresh failed for openai-codex: OpenAI Codex token refresh failed (401): {\n "error": {\n "message": "Could not validate your token. Please try signing in again.",\n "type": "invalid_request_error",\n "param": null,\n "code": "token_expired"\n }\n}. Please try again or re-authenticate.","errorHash":"sha256:4f8371c16ebd","fallbackStepType":"fallback_step","fallbackStepFromModel":"openai/gpt-5.5","fallbackStepFromFailureReason":"auth_permanent","fallbackStepFromFailureDetail":"OAuth token refresh failed for openai-codex: OpenAI Codex token refresh failed (401): {\n "error": {\n "message": "Could not validate your token. Please try signing in again.",\n "type": "invalid_request_error",\n "param": null,\n "code": "token_expired"\n }\n}. Please try again or re-authenticate.","fallbackStepChainPosition":1,"fallbackStepFinalOutcome":"chain_exhausted","isPrimary":true,"requestedModelMatched":true,"fallbackConfigured":false} model fallback decision
2026-05-16T13:14:34.160-04:00 error Embedded agent failed before reply: OAuth token refresh failed for openai-codex: OpenAI Codex token refresh failed (401): {
"error": {
"message": "Could not validate your token. Please try signing in again.",
"type": "invalid_request_error",
"param": null,
"code": "token_expired"
}
}