Root cause: default-deny-all blocks egress from gpu-test pods to MinIO,
causing the Argo wait sidecar to hang on log upload. Fix: add egress
policy for gpu-test component (DNS, git, MinIO, Mattermost, registry).
Revert archiveLogs: false — logs should be stored.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>