refactor(touch): centralize touch handling in DoorbellLogic

libraries/KlubhausCore/src/DoorbellLogic.cpp

@@ -278,3 +278,29 @@ void DoorbellLogic::setScreen(ScreenID s) {
     _display->setBacklight(needsBacklight);
     _state.backlightOn = needsBacklight;
 }
+
+int DoorbellLogic::handleTouch(const TouchEvent& evt) {
+    if(!evt.pressed)
+        return -1;
+
+    if(_state.screen == ScreenID::OFF) {
+        Serial.println("[TOUCH] OFF → DASHBOARD");
+        setScreen(ScreenID::DASHBOARD);
+        return -1;
+    }
+
+    if(_state.screen == ScreenID::DASHBOARD) {
+        int tile = _display->dashboardTouch(evt.x, evt.y);
+        if(tile >= 0) {
+            Serial.printf("[DASH] Tile %d tapped\n", tile);
+        }
+        return tile;
+    }
+
+    if(_state.screen == ScreenID::ALERT) {
+        Serial.println("[TOUCH] ALERT tap");
+        return -1;
+    }
+
+    return -1;
+}

libraries/KlubhausCore/src/DoorbellLogic.h

@@ -25,6 +25,8 @@ public:
     /// Externally trigger silence (e.g. hold-to-silence gesture).
     void silenceAlert();
     void setScreen(ScreenID s);
+    /// Handle touch input — returns dashboard tile index if tapped, or -1.
+    int handleTouch(const TouchEvent& evt);
 
 private:
     void pollTopics();