The ontology declared monitoring [cert-expiry] on the certificate type and a
working checkCertExpiry probe existed, but checkdefaults had no cert-expiry
builder and no certificate entities were seeded — so certificate expiry, a
real failure mode, was invisible.
Add a KindCertExpiry builder (dials the cert's hostname on :443 hourly, warns
at 30d / crit at 7d) and seed certificate entities for the 20 public
*.hubris.network routes plus uses-certificate edges from each ingress route.