feat: add memory-service and postgres for Helion agent

- Add PostgreSQL database in docker-compose.yml
- Add memory-service with health checks
- Create database schema (init.sql) with user_facts, dialog_summaries, agent_memory_events
- Add deployment documentation (DEPLOY-NOW.md)
- Add status reports and troubleshooting guides

docker-compose.yml

@@ -152,9 +152,61 @@ services:
       timeout: 10s
       retries: 3
 
+  # PostgreSQL Database
+  postgres:
+    image: postgres:15-alpine
+    container_name: dagi-postgres
+    ports:
+      - "5432:5432"
+    environment:
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=postgres
+      - POSTGRES_DB=daarion_memory
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+      - ./services/memory-service/init.sql:/docker-entrypoint-initdb.d/init.sql
+    networks:
+      - dagi-network
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  # Memory Service
+  memory-service:
+    build:
+      context: ./services/memory-service
+      dockerfile: Dockerfile
+    container_name: dagi-memory-service
+    ports:
+      - "8000:8000"
+    environment:
+      - DATABASE_URL=${MEMORY_DATABASE_URL:-postgresql://postgres:postgres@postgres:5432/daarion_memory}
+      - LOG_LEVEL=${LOG_LEVEL:-INFO}
+    volumes:
+      - ./logs:/app/logs
+      - memory-data:/app/data
+    depends_on:
+      - postgres
+    networks:
+      - dagi-network
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+
 volumes:
   rag-model-cache:
     driver: local
+  memory-data:
+    driver: local
+  postgres-data:
+    driver: local
 
 networks:
   dagi-network: