Index: firmware/App/Modes/ModePreTreat.h
===================================================================
diff -u -r3f032347c774cab541bd9efb143fa874f65d25e9 -rea4df318f602d13eb9494e62331bbc1067a1afe7
--- firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 3f032347c774cab541bd9efb143fa874f65d25e9)
+++ firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision ea4df318f602d13eb9494e62331bbc1067a1afe7)
@@ -8,7 +8,7 @@
 * @file    ModePreTreat.h
 *
 * @author  (last)      Vijay Pamula
-* @date    (last)      12-Jun-2026
+* @date    (last)      30-Jul-2026
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  25-Sep-2025
@@ -32,15 +32,19 @@
 
 // ********** public function prototypes **********
 
-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
+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
 
-void PreTxRequestTubeSetInstall( void );                            // Request Pre-Treatment mode to transition to Install state.
-void PreTxRequestContinueFromRecirculate( void );                   // Request Pre-Treatment mode to transition to Confirm Rx state.
-void PreTxRequestContinueFromHeparinSetupRequested(void );          // Request Pre-Treatment mode to transition to Patient Connection state.
+void PreTxRequestTubeSetInstall( void );                             // Request Pre-Treatment mode to transition to Install state.
+void PreTxRequestContinueFromRecirculate( void );                    // Request Pre-Treatment mode to transition to Confirm Rx.
+void PreTxRequestContinueFromHeparinSetupRequested(void );           // Request Pre-Treatment mode to transition to Patient Connection state.
+BOOL handleStartTreatmentRequest ( MESSAGE_T *message );             // Handle UI request to start treatment.
+BOOL signalPreTreatmentBackoutToStandby( void );                     // Request transition from Pre-Treatment Install: Await Confirmation to Standby.
 
+BOOL testPreTreatmentStatePublishIntervalOverride( MESSAGE_T *message );
+
 /**@}*/
 
 #endif