fix: keep sim2real mode_machine in sync with lowstate

Author: BotRunner64

teleopit/sim2real/unitree_g1.py

@@ -132,8 +132,10 @@ def __init__(self, cfg: Any) -> None:
 
     def _on_lowstate(self, msg: Any) -> None:
         self._lowstate = msg
+        # Always track mode_machine so LowCmd carries the correct value
+        # after mode transitions (e.g. entering/exiting debug mode).
+        self._mode_machine = msg.mode_machine
         if not self._mode_machine_updated:
-            self._mode_machine = msg.mode_machine
             self._mode_machine_updated = True
 
     # ------------------------------------------------------------------