Review failed [unknown]: ReviewRouter failed with an unexpected error. The review did not complete and the exact failure class is unknown. How to fix: - Open the failed workflow run and inspect the `Run ReviewRouter` step. - Verify credentials, model variables, and repository permissions. - File an issue with the sanitized workflow log if this looks internal. Retryable: yes. User action required: yes. Details: review_assignment_manifest_path_count_out_of_bounds