Fix imports

services/data/app/main.py

@@ -5,7 +5,7 @@
 Data Service Main Application - Fixed middleware issue
 """
 
-import logging
+import structlog
 from contextlib import asynccontextmanager
 from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
@@ -21,7 +21,7 @@ from shared.monitoring.metrics import setup_metrics_early
 
 # Setup logging first
 setup_logging("data-service", settings.LOG_LEVEL)
-logger = logging.getLogger(__name__)
+logger = structlog.get_logger()
 
 # Global variables for lifespan access
 metrics_collector = None