Zero heater and stirrer sliders when sud stops in both clients

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DF16nV2ispNw1C9SbvqbRQ

client/brewpi_gui.py

@@ -1053,7 +1053,10 @@ class Window(QtWidgets.QMainWindow, Ui_MainWindow):
 						# the brew happens to have ended up (e.g. close to
 						# the last step's target), producing a nonsensical
 						# total.
-						pass
+						for slider in (self.Slider_pwr_soll, self.Slider_speed_soll):
+							slider.blockSignals(True)
+							slider.setValue(0)
+							slider.blockSignals(False)
 					elif self.sud_schedule:
 						# Fresh load (or reconnecting to an already-idle
 						# server) - no run has happened yet, so the upfront

web/app.js

@@ -641,6 +641,12 @@ function onSudChanged(msg) {
 				energyByStep = {};
 				energyCurrent = 0;
 			}
+			if (!isRunningNow && wasRunning) {
+				document.getElementById('heater-power').value = 0;
+				document.getElementById('heater-power-readout').textContent = 0;
+				document.getElementById('stirrer-speed').value = 0;
+				document.getElementById('stirrer-speed-readout').textContent = 0;
+			}
 			wasRunning = isRunningNow;
 			sudState = newState;
 			const sliderDisabled = RUNNING_STATES.has(sudState);