fix(k8s+caddy): stop namespace-rename cascade-delete + Caddy fallout (PAY-SPACE 2026-05-10, fulldiveVR 2026-05-12 outages)

fix(k8s+caddy): stop namespace-rename cascade-delete + Caddy fallout (PAY-SPACE 2026-05-10, fulldiveVR 2026-05-12 outages) #11