docs: add grafana.leeworks.dev as 7th DNS record in dns.md and operator-runbook

- dns.md: fix '6 A records' wording to '7 A records'
- dns.md: add grafana.leeworks.dev to status checklist and dig verification block
- operator-runbook.md: fix 'all six' to 'all seven', add registry.leeworks.dev
  row to Phase 4 DNS table, add dig verification loop

Closes leeworks-agents/api-company#62

docs/dns.md

@@ -102,6 +102,7 @@ dig aqi.leeworks.dev +short
 dig docs.leeworks.dev +short
 dig status.leeworks.dev +short
 dig registry.leeworks.dev +short
+dig grafana.leeworks.dev +short
 
 # Check TLS certificates (once services are deployed)
 curl -v https://zip.leeworks.dev/health 2>&1 | grep -E "SSL|certificate|issuer"
@@ -125,7 +126,7 @@ The following actions require human operator access to the DNS provider:
 
 1. Log into the DNS provider managing `leeworks.dev`
 2. Find the cluster ingress IP: `kubectl get svc -n ingress-nginx ingress-nginx-controller`
-3. Create/update the 6 A records listed in the table above
+3. Create/update the 7 A records listed in the table above
 4. Verify propagation: `dig +trace zip.leeworks.dev`
 
 DNS propagation typically takes 5–60 minutes.
@@ -141,4 +142,5 @@ DNS propagation typically takes 5–60 minutes.
 - [ ] `docs.leeworks.dev` → DNS record created
 - [ ] `status.leeworks.dev` → DNS record created
 - [ ] `registry.leeworks.dev` → DNS record created
-- [ ] TLS certificates issued and valid for all 6 subdomains
+- [ ] `grafana.leeworks.dev` → DNS record created
+- [ ] TLS certificates issued and valid for all 7 subdomains

docs/operator-runbook.md

@@ -188,7 +188,7 @@ kubectl create secret generic gitea-image-automation-token \
 
 ## Phase 4 — DNS for API services (issue #33)
 
-Add DNS A records for all six leeworks.dev subdomains (all point to the same
+Add DNS A records for all seven leeworks.dev subdomains (all point to the same
 cluster ingress IP):
 
 | Hostname                | Target                 |
@@ -199,6 +199,16 @@ cluster ingress IP):
 | `docs.leeworks.dev`     | `<cluster ingress IP>` |
 | `grafana.leeworks.dev`  | `<cluster ingress IP>` |
 | `status.leeworks.dev`   | `<cluster ingress IP>` |
+| `registry.leeworks.dev` | `<cluster ingress IP>` |
+
+Verify DNS propagation:
+
+```bash
+for host in zip holidays aqi docs grafana status registry; do
+  echo -n "${host}.leeworks.dev: "
+  dig ${host}.leeworks.dev +short
+done
+```
 
 cert-manager will obtain Let's Encrypt certificates automatically once DNS
 propagates (typically minutes, up to 48 h).