docs: rename frank-default-large/small/sightsound to frank-large/small/npu across vault

Mechanical identity rename across the knowledge base, AGENTS.md, README, the
hermes config example, and homepage services.json. No behavior change; served
aliases on the LLM endpoints change with the deploy of commit 69f87c8.

serverAppConfigs-docs/Infrastructure/Prometheus.md

@@ -2,7 +2,9 @@
 
 Prometheus collects metrics from every service on Dankclaw by scraping their `/metrics` endpoints. It feeds the Grafana dashboards. The `node-exporter` containers may add podman/cgroup metrics for full host visibility.
 
-**Host:** Dankclaw — **Hostname:** `prometheus.dankclaw.local` — **Port:** 9090 — **Docs:** https://prometheus.io/docs
+**Host:** Dankclaw — **Vhost:** `prometheus.franksdank.cloud` (guarded: Anubis →
+Authentik; post-auth the Caddy vhost routes straight to `prometheus:9090`) —
+**Port:** 9090 — **Docs:** https://prometheus.io/docs
 
 ## Facts