feat: Beluga L3 ZooChain CR + kustomize integration

ZooChain kind=beluga on existing Zoo validators. No new nodes —
operator reconciles the CR and adds the chain to running zood instances.

k8s/base/beluga.yaml

@@ -0,0 +1,55 @@
+# Beluga L3 -- AI app-chain on Zoo Network
+# Runs on existing Zoo validators via ZooChain CR (no new nodes)
+apiVersion: zoo.network/v1alpha1
+kind: ZooChain
+metadata:
+  name: beluga
+  labels:
+    app: beluga
+    app.kubernetes.io/name: beluga
+    app.kubernetes.io/part-of: zoo
+    zoo.network/type: l3
+spec:
+  type: l3
+  parent: zoo-chain
+  vmType: evm
+  evmChainId: 420420
+  coin: BLG
+  coinName: BELUGA
+  genesis:
+    secretRef:
+      name: beluga-genesis
+      key: genesis.json
+  config:
+    targetBlockRate: 2
+    gasLimit: 15000000
+    minBaseFee: "25000000000"
+  precompiles:
+    ai: true
+    fhe: true
+    pq: true
+    zk: true
+  resources:
+    requests:
+      cpu: 500m
+      memory: 1Gi
+    limits:
+      cpu: "2"
+      memory: 4Gi
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: beluga-rpc
+  labels:
+    app: beluga
+    app.kubernetes.io/name: beluga-rpc
+    app.kubernetes.io/part-of: zoo
+spec:
+  type: ClusterIP
+  selector:
+    app: zoo-chain
+  ports:
+    - port: 9650
+      targetPort: 9650
+      name: http

k8s/base/kustomization.yaml

@@ -7,6 +7,7 @@ resources:
   - namespace.yaml
   - operator.yaml
   - network.yaml
+  - beluga.yaml
   - sql.yaml
   - kv.yaml
   - mpc.yaml