Update session

batch_store.py

@@ -202,11 +202,17 @@ class BatchStore:
         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.log("External reset signal (SHM marker) — clearing in-memory state")
                 self.current_state = None
                 if self.batch_timer:
                     self.batch_timer.cancel()
                     self.batch_timer = None
+        elif self.current_state is not None and not self.state_file.exists():
+            self.log("External reset signal (state file deleted) — clearing in-memory state")
+            self.current_state = None
+            if self.batch_timer:
+                self.batch_timer.cancel()
+                self.batch_timer = None
 
     def record_ayam_crossing(self, track_id):
         """Line-cross equivalent of production ayam-potong MQTT event."""