improved logging

python_app/hardware_full/laser_control/controller.py

@@ -362,8 +362,8 @@ class LaserController:
         if raw and len(raw) == 2:
             state = Protocol.decode_state(raw)
             if state != 0:
-                # Surface a device-reported non-OK STATE instead of silently treating
-                # a board-rejected command as success. (Returned to the caller too.)
+                # Surface a device-reported non-OK STATE instead of silently
+                # treating a board-rejected command as success.
                 logger.warning(
                     "Device returned non-OK STATE 0x%04x after command: %s",
                     state,
@@ -388,6 +388,6 @@ class LaserController:
             try:
                 self.stop_task()
             except Exception:
-                pass
+                logger.warning("Failed to stop laser task on exit; closing port anyway", exc_info=True)
         self.disconnect()
         return False