Add reset API in Dashboard

batch_store.py

@@ -194,8 +194,20 @@ class BatchStore:
         self.ignore_batch_label = False
         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 self.current_state is not None:
+                self.log("External reset signal — 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."""
+        self._check_reset_signal()
         with self.state_lock:
             counting_date = self.get_counting_date()
             started_new = False
@@ -223,6 +235,7 @@ class BatchStore:
 
     def record_talenan_crossing(self, track_id):
         """Line-cross equivalent of production telenan MQTT batch close."""
+        self._check_reset_signal()
         if self.ignore_batch_label:
             return False
         with self.state_lock: