🧠 Add Agent Memory System with PostgreSQL + Qdrant + Cohere

Features:
- Three-tier memory architecture (short/mid/long-term)
- PostgreSQL schema for conversations, events, memories
- Qdrant vector database for semantic search
- Cohere embeddings (embed-multilingual-v3.0, 1024 dims)
- FastAPI Memory Service with full CRUD
- External Secrets integration with Vault
- Kubernetes deployment manifests

Components:
- infrastructure/database/agent-memory-schema.sql
- infrastructure/kubernetes/apps/qdrant/
- infrastructure/kubernetes/apps/memory-service/
- services/memory-service/ (FastAPI app)

Also includes:
- External Secrets Operator
- Traefik Ingress Controller
- Cert-Manager with Let's Encrypt
- ArgoCD for GitOps

infrastructure/kubernetes/apps/qdrant/deployment.yaml

@@ -0,0 +1,133 @@
+---
+# DAARION Qdrant Vector Database
+# For semantic search in agent memory system
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: qdrant
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: qdrant-storage
+  namespace: qdrant
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 20Gi
+  storageClassName: local-path
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: qdrant-config
+  namespace: qdrant
+data:
+  config.yaml: |
+    log_level: INFO
+    
+    storage:
+      storage_path: /qdrant/storage
+      snapshots_path: /qdrant/snapshots
+      
+    service:
+      http_port: 6333
+      grpc_port: 6334
+      
+    cluster:
+      enabled: false
+      
+    telemetry_disabled: true
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: qdrant
+  namespace: qdrant
+  labels:
+    app: qdrant
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: qdrant
+  template:
+    metadata:
+      labels:
+        app: qdrant
+    spec:
+      nodeSelector:
+        node-role.kubernetes.io/control-plane: "true"
+      containers:
+        - name: qdrant
+          image: qdrant/qdrant:v1.7.4
+          ports:
+            - containerPort: 6333
+              name: http
+            - containerPort: 6334
+              name: grpc
+          volumeMounts:
+            - name: storage
+              mountPath: /qdrant/storage
+            - name: config
+              mountPath: /qdrant/config
+          resources:
+            requests:
+              memory: "512Mi"
+              cpu: "250m"
+            limits:
+              memory: "2Gi"
+              cpu: "1"
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 6333
+            initialDelaySeconds: 30
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /readyz
+              port: 6333
+            initialDelaySeconds: 5
+            periodSeconds: 5
+      volumes:
+        - name: storage
+          persistentVolumeClaim:
+            claimName: qdrant-storage
+        - name: config
+          configMap:
+            name: qdrant-config
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: qdrant
+  namespace: qdrant
+spec:
+  selector:
+    app: qdrant
+  ports:
+    - name: http
+      port: 6333
+      targetPort: 6333
+    - name: grpc
+      port: 6334
+      targetPort: 6334
+  type: ClusterIP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: qdrant-external
+  namespace: qdrant
+spec:
+  selector:
+    app: qdrant
+  ports:
+    - name: http
+      port: 6333
+      targetPort: 6333
+      nodePort: 30633
+  type: NodePort