fix(imports): correct redis client import paths

Update imports from src.infrastructure.cache.redis_client
to src.core.cache where get_redis_client is actually defined

src/ml/ab_testing.py

@@ -15,7 +15,7 @@ import numpy as np
 from scipy import stats
 
 from src.core import get_logger
-from src.infrastructure.cache.redis_client import get_redis_client
+from src.core.cache import get_redis_client
 from src.ml.training_pipeline import training_pipeline
 
 

src/ml/training_pipeline.py

@@ -29,7 +29,7 @@ from mlflow.tracking import MlflowClient
 
 from src.core import get_logger, settings
 from src.core.exceptions import CidadaoAIError
-from src.infrastructure.cache.redis_client import get_redis_client
+from src.core.cache import get_redis_client
 from src.models.ml_models import AnomalyDetectorModel
 
 

src/services/memory_startup.py

@@ -10,7 +10,7 @@ from typing import Optional
 
 from src.agents.nana import ContextMemoryAgent
 from src.services.agent_memory_integration import initialize_memory_integration
-from src.infrastructure.cache.redis_client import get_redis_client
+from src.core.cache import get_redis_client
 from src.core import get_logger
 from src.core.config import settings