refactor:移除 LeavePostAlgorithm，改用 ROI 区域入侵检测

-修复sort导入问题

inference/rules/algorithms.py

@@ -9,6 +9,8 @@ import numpy as np
 
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
+from sort import Sort
+
 
 class LeavePostAlgorithm:
     STATE_INIT = "INIT_STATE"