Install Aegis via Helm

helm repo add velikey https://ghcr.io/velikey/charts  # placeholder until publish
helm install aegis velikey/aegis \
  --namespace aegis --create-namespace \
  --set controlPlane.image=ghcr.io/velikey/aegis-control-plane:0.1.0 \
  --set agent.image=ghcr.io/velikey/aegis-agent:0.1.0

When the Terraform module publishes, prefer the module for day-2 ops.