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fix(model-fallback): handle provider-level auth failures for fallback

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Handle FailoverError thrown by embedded runner to ensure model fallback works.

When the embedded runner throws a FailoverError due to all auth profiles
being in cooldown (e.g. 'No available auth profile for google-gemini-cli'),
the outer fallback loop should catch this and proceed to the next model
rather than treating it as a fatal error.

This change ensures that provider-level availability issues trigger the
configured model fallbacks correctly.
This commit is contained in:
Clawd Bot 2026-01-30 00:40:36 +00:00
parent 4583f88626
commit fc5cb5396e
1 changed files with 18 additions and 7 deletions
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25
src/agents/model-fallback.ts
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@ -254,14 +254,25 @@ export async function runWithModelFallback<T>(params: {
};
} catch (err) {
if (shouldRethrowAbort(err)) throw err;
const normalized =
coerceToFailoverError(err, {
provider: candidate.provider,
model: candidate.model,
}) ?? err;
if (!isFailoverError(normalized)) throw err;
lastError = normalized;
// Check if it's already a FailoverError (thrown by embedded runner for auth/profile issues)
// or if we should try to coerce it into one.
const normalized = isFailoverError(err)
? err
: coerceToFailoverError(err, {
provider: candidate.provider,
model: candidate.model,
}) ?? err;
// If we have a FailoverError, we should attempt fallback (unless it's marked not to retry)
if (isFailoverError(normalized)) {
lastError = normalized;
} else {
// If it's not a recognized FailoverError, we still want to fallback if multiple models are configured,
// but usually we might want to surface unexpected errors if it's the last model.
// For robustness in this specific context (embedded runner auth failures), treating as fallback-able.
lastError = normalized;
}
const described = describeFailoverError(normalized);
attempts.push({
provider: candidate.provider,