Index: firmware/App/Modes/ModePreTreat.h
===================================================================
diff -u -r395522dffef1348e176564925656012f529c1910 -r927dfd6e109af46160e5aef687f1b7c286d24703
--- firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 395522dffef1348e176564925656012f529c1910)
+++ firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 927dfd6e109af46160e5aef687f1b7c286d24703)
@@ -7,20 +7,20 @@
 *
 * @file    ModePreTreat.h
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      26-Oct-2025
+* @author  (last)      Vijay Pamula
+* @date    (last)      12-Jun-2026
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  25-Sep-2025
 *
 ***************************************************************************/
 
-
 #ifndef __MODE_PRE_TREAT_H__
 #define __MODE_PRE_TREAT_H__
 
 #include "TDCommon.h"
 #include "TDDefs.h"
+#include "DDDefs.h"
 
 /**
  *  @defgroup TDPreTreatmentMode TDPreTreatmentMode
@@ -35,7 +35,12 @@
 void initPreTreatmentMode( void );                                  // Initialize this module
 U32  transitionToPreTreatmentMode( void );                          // Prepares for transition to pre-treatment mode
 U32  execPreTreatmentMode( void );                                  // Execute the pre-treatment mode state machine (call from OperationModes)
+void signalAlarmActionToPreTreatmentMode( ALARM_ACTION_T action );  // Execute alarm action as appropriate for pre-treatment mode
 
+TD_PRE_TREATMENT_MODE_STATE_T getPreTreatmentSubState( void );      // Get the current pre-treatment sub mode.
+void PreTxRequestTubeSetInstall( void );                            // Request Pre-Treatment mode to transition to Install state.
+void PreTxRequestContinueFromRecirculate( void );                   // Request Pre-Treatment mode to transition to Patient Connection state.
+
 /**@}*/
 
 #endif