Added documentation for the auto-population feature and the analytics integration.

backend/services/subscription/monitoring_middleware.py

@@ -4,12 +4,15 @@ Database-backed monitoring for API calls, errors, performance metrics, and usage
 Includes comprehensive subscription-based usage monitoring and cost tracking.
 """
 
+# Ensure Optional is available in global scope for dynamic imports
+from typing import Optional
+
 from fastapi import Request, Response
 from fastapi.responses import JSONResponse
 import time
 import json
 from datetime import datetime, timedelta
-from typing import Dict, List, Any, Optional
+from typing import Dict, List, Any
 from collections import defaultdict, deque
 import asyncio
 from loguru import logger

backend/services/subscription/pricing_service.py

@@ -3,7 +3,10 @@ Pricing Service for API Usage Tracking
 Manages API pricing, cost calculation, and subscription limits.
 """
 
-from typing import Dict, Any, Optional, List, Tuple, Union
+# Ensure Optional is available in global scope for dynamic imports
+from typing import Optional
+
+from typing import Dict, Any, List, Tuple, Union
 from decimal import Decimal, ROUND_HALF_UP
 from datetime import datetime, timedelta
 from sqlalchemy.orm import Session

backend/services/subscription/usage_tracking_service.py

@@ -3,8 +3,11 @@ Usage Tracking Service
 Comprehensive tracking of API usage, costs, and subscription limits.
 """
 
+# Ensure Optional is available in global scope for dynamic imports
+from typing import Optional
+
 import asyncio
-from typing import Dict, Any, Optional, List, Tuple
+from typing import Dict, Any, List, Tuple
 from datetime import datetime, timedelta
 from sqlalchemy.orm import Session
 from loguru import logger