Commander: trigger failsafe action if imbalanced propeller detected

src/modules/commander/commander_params.c

@@ -339,6 +339,23 @@ PARAM_DEFINE_INT32(COM_ARM_SWISBTN, 0);
  */
 PARAM_DEFINE_INT32(COM_LOW_BAT_ACT, 0);
 
+/**
+ * Imbalanced propeller failsafe mode
+ *
+ * Action the system takes when an imbalanced propeller is detected by the failure detector.
+ * See also FD_IMB_PROP_THR to set the failure threshold.
+ *
+ * @group Commander
+ *
+ * @value -1 Disabled
+ * @value 0 Warning
+ * @value 1 Return
+ * @value 2 Land
+ * @decimal 0
+ * @increment 1
+ */
+PARAM_DEFINE_INT32(COM_IMB_PROP_ACT, 0);
+
 /**
  * Time-out to wait when offboard connection is lost before triggering offboard lost action.
  *