feat(neuron): gamma zone, all-slot ingress, snapshot job, self-improvement loop script

servers/legion/k8s/neuron/ingress.yaml

@@ -12,6 +12,15 @@ spec:
     - secretName: neuron-tls
       hosts:
         - neuron.neuralplatform.ai
+    - secretName: neuron-alpha-tls
+      hosts:
+        - neuron-alpha.neuralplatform.ai
+    - secretName: neuron-beta-tls
+      hosts:
+        - neuron-beta.neuralplatform.ai
+    - secretName: neuron-gamma-tls
+      hosts:
+        - neuron-gamma.neuralplatform.ai
   rules:
     - host: neuron.neuralplatform.ai
       http:
@@ -23,3 +32,33 @@ spec:
                 name: neuron
                 port:
                   number: 8001
+    - host: neuron-alpha.neuralplatform.ai
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: neuron-alpha
+                port:
+                  number: 8001
+    - host: neuron-beta.neuralplatform.ai
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: neuron-beta
+                port:
+                  number: 8001
+    - host: neuron-gamma.neuralplatform.ai
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: neuron-gamma
+                port:
+                  number: 8001

servers/legion/k8s/neuron/pvc-gamma.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: neuron-gamma-data
+  namespace: neuron
+spec:
+  storageClassName: local-path
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi

servers/legion/k8s/neuron/snapshot-job.yaml

@@ -0,0 +1,44 @@
+# Snapshot Job — copies prod DB into an experiment slot via sqlite3 .backup
+# Usage: set SLOT to alpha, beta, or gamma before applying
+#
+#   SLOT=alpha && sed "s/SLOT/${SLOT}/g" snapshot-job.yaml | kubectl apply -f -
+#
+# The job completes and self-deletes after 5 minutes.
+# Always snapshot before deploying a new experiment to a slot.
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: snapshot-prod-to-SLOT
+  namespace: neuron
+spec:
+  ttlSecondsAfterFinished: 300
+  template:
+    spec:
+      restartPolicy: Never
+      initContainers:
+        - name: stop-check
+          image: registry.neuralplatform.ai/neural-platform/neuron:latest
+          command: ["/bin/sh", "-c", "echo 'Snapshotting prod DB to SLOT — ensure neuron-SLOT pod is stopped first'"]
+      containers:
+        - name: snapshot
+          image: keinos/sqlite3:latest
+          command: ["/bin/sh", "-c"]
+          args:
+            - |
+              echo "Starting backup from prod to SLOT..."
+              sqlite3 /src/neuron.db ".backup /dst/neuron.db"
+              echo "Done. Prod DB snapshotted to SLOT."
+              ls -lh /dst/neuron.db
+          volumeMounts:
+            - name: src
+              mountPath: /src
+              readOnly: true
+            - name: dst
+              mountPath: /dst
+      volumes:
+        - name: src
+          persistentVolumeClaim:
+            claimName: neuron-data
+        - name: dst
+          persistentVolumeClaim:
+            claimName: neuron-SLOT-data