refactor(display): improve touch handling and code formatting

sketches/doorbell-touch/boards/esp32-s3-lcd-43/esp32-s3-lcd-43.ino

@@ -2,14 +2,15 @@
 // Klubhaus Doorbell — ESP32-S3-Touch-LCD-4.3 target
 //
 
-#include <KlubhausCore.h>
+#include "DisplayDriverGFX.h"
 #include "board_config.h"
 #include "secrets.h"
-#include "DisplayDriverGFX.h"
+
+#include <KlubhausCore.h>
 
 DisplayDriverGFX gfxDriver;
-DisplayManager   display(&gfxDriver);
-DoorbellLogic    logic(&display);
+DisplayManager display(&gfxDriver);
+DoorbellLogic logic(&display);
 
 void setup() {
     Serial.begin(115200);
@@ -19,36 +20,52 @@ void setup() {
     logic.finishBoot();
 }
 
-void loop() {
-    // ── State machine tick ──
-    logic.update();
+// void loop() {
+TouchEvent evt = display.readTouch();
 
-    // ── Render current screen ──
-    display.render(logic.getScreenState());
+logic.update();
+display.render(logic.getScreenState());
 
-    // ── Touch handling ──
-    const ScreenState& st = logic.getScreenState();
+const ScreenState& st = logic.getScreenState();
 
-    if (st.deviceState == DeviceState::ALERTING) {
-        HoldState h = display.updateHold(HOLD_TO_SILENCE_MS);
-        if (h.completed) {
-            logic.silenceAlert();
-        }
-        if (!h.active) {
-            display.updateHint();
-        }
-    } else {
-        TouchEvent evt = display.readTouch();
-        if (evt.pressed && st.screen == ScreenID::DASHBOARD) {
-            int tile = display.dashboardTouch(evt.x, evt.y);
-            if (tile >= 0) Serial.printf("[DASH] Tile %d tapped\n", tile);
-        }
+if(st.deviceState == DeviceState::ALERTING) {
+    HoldState h = display.updateHold(HOLD_TO_SILENCE_MS);
+    if(h.completed) {
+        logic.silenceAlert();
     }
-
-    // ── Serial console ──
-    if (Serial.available()) {
-        String cmd = Serial.readStringUntil('\n');
-        cmd.trim();
-        if (cmd.length() > 0) logic.onSerialCommand(cmd);
+    if(!h.active) {
+        display.updateHint();
+    }
+} else if(evt.pressed) {
+    if(st.screen == ScreenID::OFF) {
+        // Tap in OFF mode → wake to DASHBOARD
+        Serial.println("[TOUCH] OFF → DASHBOARD");
+        logic.setScreen(ScreenID::DASHBOARD);
+        display.setBacklight(true);
+    } else if(st.screen == ScreenID::DASHBOARD) {
+        int tile = display.dashboardTouch(evt.x, evt.y);
+        if(tile >= 0) {
+            Serial.printf("[DASH] Tile %d tapped\n", tile);
+            // TODO: Handle tile actions
+        }
+    } else if(st.screen == ScreenID::ALERT) {
+        // Tap in ALERT mode → could dismiss or show more info
+        Serial.println("[TOUCH] ALERT tap");
+        // For now, let's make tap do nothing (hold to silence only)
+        // Or: logic.dismissAlert();
     }
 }
+
+// Serial console (unchanged)
+if(Serial.available()) {
+    // ...
+}
+}
+// ── Serial console ──
+if(Serial.available()) {
+    String cmd = Serial.readStringUntil('\n');
+    cmd.trim();
+    if(cmd.length() > 0)
+        logic.onSerialCommand(cmd);
+}
+}