Refactor: Phase 7: Dead Code Removal & Optimization

detector_worker/detection/tracking_manager.py

@@ -9,10 +9,8 @@ import time
 import logging
 from typing import Dict, List, Any, Optional, Tuple, Set
 from dataclasses import dataclass, field
-from datetime import datetime
 
 from ..core.constants import SESSION_TIMEOUT_SECONDS
-from ..core.exceptions import TrackingError, create_detection_error
 
 logger = logging.getLogger(__name__)