Index: firmware/App/Modes/ModePreTreat.h
===================================================================
diff -u -r6c933adfd50a0bc041dc29f4bfa15de5e9f4843a -r81e5d76c3906a8c18be914f5736a796436fd85b5
--- firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 6c933adfd50a0bc041dc29f4bfa15de5e9f4843a)
+++ firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 81e5d76c3906a8c18be914f5736a796436fd85b5)
@@ -7,8 +7,8 @@
 *
 * @file    ModePreTreat.h
 *
-* @author  (last)      Vijay Pamula
-* @date    (last)      30-Jul-2026
+* @author  (last)      Varshini Nagabooshanam
+* @date    (last)      19-Aug-2026
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  25-Sep-2025
@@ -38,10 +38,15 @@
 void signalAlarmActionToPreTreatmentMode( ALARM_ACTION_T action );  // Execute alarm action as appropriate for pre-treatment mode
 BOOL signalPreTxResumeRequest( void );                              // Signal resume alarm response from user
 
+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.
+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.
+void signalPreTreatmentRxUpdated( void );                            // Signal that a new or updated Rx was received.
 
 BOOL testPreTreatmentStatePublishIntervalOverride( MESSAGE_T *message );