🩹 Warn about user feedback requirement

Marlin/src/feature/mmu/mmu2.cpp

     BUZZ(200, 404);
     TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_USER_CONTINUE, PSTR("MMU2 Eject Recover"), CONTINUE_STR));
     TERN_(EXTENSIBLE_UI, ExtUI::onUserConfirmRequired_P(PSTR("MMU2 Eject Recover")));
-    wait_for_user_response();
+    TERN_(HAS_RESUME_CONTINUE, wait_for_user_response());
     BUZZ(200, 404);
     BUZZ(200, 404);
 

Marlin/src/feature/pause.cpp

 
       TERN_(EXTENSIBLE_UI, ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_HEATER_TIMEOUT)));
 
-      wait_for_user_response(0, true); // Wait for LCD click or M108
+      TERN_(HAS_RESUME_CONTINUE, wait_for_user_response(0, true)); // Wait for LCD click or M108
 
       TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_INFO, GET_TEXT(MSG_REHEATING)));
 

Marlin/src/gcode/lcd/M0_M1.cpp

 
   TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_USER_CONTINUE, parser.codenum ? PSTR("M1 Stop") : PSTR("M0 Stop"), CONTINUE_STR));
 
-  wait_for_user_response(ms);
+  TERN_(HAS_RESUME_CONTINUE, wait_for_user_response(ms));
 
   TERN_(HAS_LCD_MENU, ui.reset_status());
 }

Marlin/src/gcode/sd/M1001.cpp

       printerEventLEDs.onPrintCompleted();
       TERN_(EXTENSIBLE_UI, ExtUI::onUserConfirmRequired_P(GET_TEXT(MSG_PRINT_DONE)));
       TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_USER_CONTINUE, GET_TEXT(MSG_PRINT_DONE), CONTINUE_STR));
-      wait_for_user_response(SEC_TO_MS(TERN(HAS_LCD_MENU, PE_LEDS_COMPLETED_TIME, 30)));
+      TERN_(HAS_RESUME_CONTINUE, wait_for_user_response(SEC_TO_MS(TERN(HAS_LCD_MENU, PE_LEDS_COMPLETED_TIME, 30))));
       printerEventLEDs.onResumeAfterWait();
     }
   #endif

Marlin/src/inc/SanityCheck.h

   static_assert(WITHIN(npp_xyz.z, Z_MIN_POS, Z_MAX_POS), "NOZZLE_PARK_POINT.Z is out of bounds (Z_MIN_POS, Z_MAX_POS).");
 #endif
 
+#if !HAS_RESUME_CONTINUE && DISABLED(HOST_PROMPT_SUPPORT) && DISABLED(EXTENSIBLE_UI)
+  #warning "Your Configuration provides no method to acquire user feedback!"
+#endif
+
 /**
  * Instant Freeze
  */

Marlin/src/lcd/menu/menu_delta_calibrate.cpp

 
 #if ENABLED(DELTA_AUTO_CALIBRATION)
 
-  #include "../../MarlinCore.h" // for wait_for_user_response()
-  #include "../../gcode/gcode.h"
-
+  #if HAS_RESUME_CONTINUE
+    #include "../../MarlinCore.h" // for wait_for_user_response()
+  #endif
   #if ENABLED(HOST_PROMPT_SUPPORT)
     #include "../../feature/host_actions.h" // for host_prompt_do
   #endif
     ui.defer_status_screen();
     TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Delta Calibration in progress"), CONTINUE_STR));
     TERN_(EXTENSIBLE_UI, ExtUI::onUserConfirmRequired_P(PSTR("Delta Calibration in progress")));
-    wait_for_user_response();
+    TERN_(HAS_RESUME_CONTINUE, wait_for_user_response());
     ui.goto_previous_screen_no_defer();
     return current_position.z;
   }

Marlin/src/module/probe.cpp

       ui.return_to_status();
 
       TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Deploy TouchMI"), CONTINUE_STR));
-      wait_for_user_response();
+      TERN_(HAS_RESUME_CONTINUE, wait_for_user_response());
       ui.reset_status();
       ui.goto_screen(prev_screen);
 
       TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Stow Probe"), CONTINUE_STR));
       TERN_(EXTENSIBLE_UI, ExtUI::onUserConfirmRequired_P(PSTR("Stow Probe")));
       TERN_(DWIN_CREALITY_LCD_ENHANCED, DWIN_Popup_Confirm(ICON_BLTouch, PSTR("Stow Probe"), CONTINUE_STR));
-      wait_for_user_response();
+      TERN_(HAS_RESUME_CONTINUE, wait_for_user_response());
       ui.reset_status();
 
     } while (ENABLED(PAUSE_PROBE_DEPLOY_WHEN_TRIGGERED));