When customErrorCodes is disabled or modelMapping is empty, explicitly delete the fields inherited from currentCredentials spread to avoid preserving stale values. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
When customErrorCodes is disabled or modelMapping is empty, explicitly delete the fields inherited from currentCredentials spread to avoid preserving stale values. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>