Index: firmware/App/Modes/ModeStandby.h
===================================================================
diff -u -rb569bc796c56acd5d94d468386f5f42c350cad65 -r6d4aa77e6b85aa7621a234660f631e725fb1d441
--- firmware/App/Modes/ModeStandby.h	(.../ModeStandby.h)	(revision b569bc796c56acd5d94d468386f5f42c350cad65)
+++ firmware/App/Modes/ModeStandby.h	(.../ModeStandby.h)	(revision 6d4aa77e6b85aa7621a234660f631e725fb1d441)
@@ -7,8 +7,8 @@
 *
 * @file    ModeStandby.h
 *
-* @author  (last)      “Raghu
-* @date    (last)      03-Feb-2026
+* @author  (last)      Raghu Kallala
+* @date    (last)      06-Apr-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  07-Aug-2024
@@ -54,6 +54,9 @@
 BOOL startDDHeatDisinfectActiveCool( void );
 DD_STANDBY_MODE_STATE_T getCurrentStandbyState( void ); // get the current state of the standby mode.
 
+BOOL testValidateDDStandbyChangeReq( U32 newSubMode );  // Validate the requested standby sub mode transition is possible or not
+void testSignalNewDDStandbySubMode( U32 newSubMode );   // Signal transition to a new standby sub mode
+
 /**@}*/
 
 #endif