k8s(pilot): dashboard deploy manifest + README; pin NodePort 31540

pilot/README-dashboard.md

@@ -13,7 +13,7 @@ and the dashboard is just `python3 -m pilot.dashboard`.
 Browser (tailnet)
    │
    ▼
-NodePort :30082 on 100.74.17.70  (kubernets)
+NodePort :31540 on 100.74.17.70  (kubernets)
    │
    ▼
 Service pragent-dashboard.pragent.svc.cluster.local  (NodePort, ns pragent)
@@ -160,7 +160,7 @@ K8s manifest at `~/k8s/pragent-dashboard.yaml`. Key fields:
 - `resources.requests: {cpu: 100m, memory: 256Mi}` /
   `limits: {cpu: 500m, memory: 512Mi}` — read-heavy + tiny writes, no
   opencode subprocess fan-out, much smaller than the webhook.
-- `Service.type: NodePort`, `nodePort: 30082` — between pages-proxy
+- `Service.type: NodePort`, `nodePort: 31540` — between pages-proxy
   (30081) and browserless (30100), outside the 30096..30969 media range.
 
 ## Smoke test
@@ -178,17 +178,17 @@ kill %1
 # 2. NodePort (host-side, Tailscale IP — only reachable on 100.74.17.70
 #    or 192.168.1.80; no public DNS yet)
 curl -s -o /tmp/dash-nodeport.html -w "HTTP %{http_code}\n" \
-  http://100.74.17.70:30082/
+  http://100.74.17.70:31540/
 grep -o "<title>[^<]*</title>" /tmp/dash-nodeport.html
 
 # 3. auth: POST the login cookie value, capture into a jar
 curl -sS -c /tmp/dash.jar -X POST \
   -d "token=$(cat ~/.config/pragent/dashboard-token)" \
-  http://100.74.17.70:30082/login
+  http://100.74.17.70:31540/login
 
 # 4. authenticated overview
 curl -sS -b /tmp/dash.jar -o /tmp/dash-auth.html -w "HTTP %{http_code}\n" \
-  http://100.74.17.70:30082/
+  http://100.74.17.70:31540/
 grep -o "<title>[^<]*</title>" /tmp/dash-auth.html
 
 # 5. pod logs
@@ -202,7 +202,7 @@ to `/login` on the unauthenticated GETs is expected when
 
 ## Threat model / security notes
 
-- **Tailnet-only by default.** NodePort 30082 is exposed on the
+- **Tailnet-only by default.** NodePort 31540 is exposed on the
   Tailscale / LAN interfaces of kubernets (100.74.17.70, 192.168.1.80).
   No public DNS, no Caddy route yet — keep it that way until the auth
   story is solid. When you do add a public route, terminate TLS at