Add new alert architecture

services/inventory/app/main.py

@@ -14,6 +14,7 @@ import structlog
 from app.core.config import settings
 from app.core.database import init_db, close_db
 from app.api import ingredients, stock, classification
+from app.services.inventory_alert_service import InventoryAlertService
 from shared.monitoring.health import router as health_router
 from shared.monitoring.metrics import setup_metrics_early
 # Auth decorators are used in endpoints, no global setup needed
@@ -32,6 +33,14 @@ async def lifespan(app: FastAPI):
         await init_db()
         logger.info("Database initialized successfully")
         
+        # Initialize alert service
+        alert_service = InventoryAlertService(settings)
+        await alert_service.start()
+        logger.info("Inventory alert service started")
+        
+        # Store alert service in app state
+        app.state.alert_service = alert_service
+        
         # Setup metrics is already done early - no need to do it here
         logger.info("Metrics setup completed")
         
@@ -44,6 +53,11 @@ async def lifespan(app: FastAPI):
         # Shutdown
         logger.info("Shutting down Inventory Service")
         try:
+            # Stop alert service
+            if hasattr(app.state, 'alert_service'):
+                await app.state.alert_service.stop()
+                logger.info("Alert service stopped")
+                
             await close_db()
             logger.info("Database connections closed")
         except Exception as e: