Two conditions silently break a rehearsal. A saturated Kubernetes agent pool
leaves the demo build queued reporting that all nodes are offline, and an open
hermes-repair PR makes the duplicate guard refuse a new proposal. Report both
so the operator sees them before starting rather than mid-demo.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Adds demo driver script and branch-level test gate so a Hermes-proposed
pull request carries a green build before human merge.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>