Fix TeslaMate DB corruption and Rook-Ceph reconcile hang

- Scale CNPG pg-teslamate to 1 instance: on-disk storage corruption
  (corrupted sequences, system catalog indexes) means replicas cloned
  via pg_basebackup inherit corruption and can't open any database.
  Primary works from cached catalogs. Sequences already rebuilt live.

- Remove talos-cp-02 from Rook-Ceph nodes list: ceph-volume inventory
  hangs on BIOS partition via nsenter lvs in host namespace. Talos
  read-only /etc prevents LVM filter fix. OSD 1 keeps running from
  its existing deployment.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/teslamate/manifests/cnpg-cluster.yaml

@@ -5,7 +5,7 @@ metadata:
   namespace: teslamate
 spec:
   imageName: ghcr.io/cloudnative-pg/postgresql:16
-  instances: 2
+  instances: 1
 
   # Resource limits to prevent OOM
   resources:

infrastructure/rook-ceph/cluster-values.yaml

@@ -120,6 +120,9 @@ cephClusterSpec:
         memory: "50Mi"
 
   # Storage configuration - explicit nodes with passthrough NVMe
+  # NOTE: talos-cp-02 excluded from nodes list because ceph-volume inventory
+  # hangs on its BIOS partition (lvs kernel I/O hang via nsenter on Talos).
+  # OSD 1 (nvme1n1) continues running from its existing deployment.
   storage:
     useAllNodes: false
     useAllDevices: false
@@ -127,9 +130,6 @@ cephClusterSpec:
       - name: "talos-cp-01"
         devices:
           - name: "nvme0n1"
-      - name: "talos-cp-02"
-        devices:
-          - name: "nvme1n1"
       - name: "talos-cp-03"
         devices:
           - name: "nvme0n1"