Reset Mechanism

batch_store.py

@@ -3,12 +3,16 @@ Production batch persistence for edge Jetson counter.
 Mirrors frigate-counter SQLite schema + current_batch.json contract.
 """
 import json
+import os
 import sqlite3
 import threading
 import time
 from datetime import datetime, timedelta
 from pathlib import Path
 
+_SHMD = os.getenv("SHM_DIR", "/dev/shm/bytetrack-counter")
+_RESET_FLAG = Path(f"{_SHMD}/.reset")
+
 
 class BatchStore:
     def __init__(
@@ -195,9 +199,8 @@ class BatchStore:
         self.log('Ignore batch label cooldown finished')
 
     def _check_reset_signal(self):
-        reset_file = Path(str(self.state_file) + ".reset")
-        if reset_file.exists():
-            reset_file.unlink(missing_ok=True)
+        if _RESET_FLAG.exists():
+            _RESET_FLAG.unlink(missing_ok=True)
             if self.current_state is not None:
                 self.log("External reset signal — clearing in-memory state")
                 self.current_state = None