feat(Display): Improve touch handling and visual feedback

libraries/KlubhausCore/src/Config.h

@@ -13,7 +13,7 @@
 #define POLL_INTERVAL_MS 15000
 #define HEARTBEAT_INTERVAL_MS 300000
 #define BOOT_GRACE_MS 5000
-#define HOLD_TO_SILENCE_MS 3000
+#define HOLD_TO_SILENCE_MS 2000
 #define ALERT_TIMEOUT_MS 120000
 #define SILENCE_DISPLAY_MS 10000
 #define INACTIVITY_TIMEOUT_MS 30000

libraries/KlubhausCore/src/DisplayManager.h

@@ -60,6 +60,14 @@ private:
     /// Calculate optimal grid dimensions based on display and tile constraints
     static void calculateGrid(
         int tileCount, int displayW, int contentH, int* outCols, int* outRows) {
+        // Use 2x2 grid for 4 tiles regardless of aspect ratio
+        // This provides better visual balance than a single row
+        if(tileCount == 4) {
+            *outCols = 2;
+            *outRows = 2;
+            return;
+        }
+
         // Calculate aspect ratio to determine preferred layout
         float aspectRatio = (float)displayW / contentH;
 
@@ -138,7 +146,9 @@ public:
 
     TouchEvent readTouch() { return _drv ? _drv->readTouch() : TouchEvent {}; }
 
-    HoldState updateHold(unsigned long ms) { return _drv ? _drv->updateHold(ms) : HoldState {}; }
+    HoldState updateHold(const TouchEvent& evt, unsigned long ms) {
+        return _drv ? _drv->updateHold(evt, ms) : HoldState {};
+    }
 
     void drawDebugTouch(int x, int y) {
         if(_drv)

libraries/KlubhausCore/src/DoorbellLogic.cpp

@@ -338,6 +338,7 @@ int DoorbellLogic::handleTouch(const TouchEvent& evt) {
     // Check hold completion FIRST - before any release handling
     // This ensures hold-to-silence works on ALERT screen
     if(evt.released && _state.deviceState == DeviceState::ALERTING) {
+        Serial.printf("[TOUCH] checking hold: deviceState=ALERTING\n");
         if(updateHold(evt)) {
             return (int)TileAction::SILENCE;
         }
@@ -345,6 +346,8 @@ int DoorbellLogic::handleTouch(const TouchEvent& evt) {
 
     // Handle press - show visual feedback
     if(evt.pressed) {
+        Serial.printf("[TOUCH] pressed screen=%d deviceState=%d\n", (int)_state.screen,
+            (int)_state.deviceState);
         // Reset inactivity timer on any touch
         _lastActivityMs = millis();
 
@@ -377,6 +380,9 @@ int DoorbellLogic::handleTouch(const TouchEvent& evt) {
 
     // Handle release - fire action if same tile
     if(evt.released) {
+        Serial.printf("[TOUCH] released screen=%d deviceState=%d\n", (int)_state.screen,
+            (int)_state.deviceState);
+
         if(_state.screen == ScreenID::DASHBOARD) {
             // Only fire action if finger stayed on same tile
             if(evt.downX >= 0 && _display->isSameTile(evt.downX, evt.downY, evt.x, evt.y)) {
@@ -426,7 +432,7 @@ bool DoorbellLogic::updateHold(const TouchEvent& evt) {
     static int holdStartX = -1;
     static int holdStartY = -1;
 
-    HoldState h = _display->updateHold(HOLD_TO_SILENCE_MS);
+    HoldState h = _display->updateHold(evt, HOLD_TO_SILENCE_MS);
 
     if(h.completed) {
         silenceAlert();

libraries/KlubhausCore/src/IDisplayDriver.h

@@ -31,7 +31,7 @@ public:
 
     // ── Touch ──
     virtual TouchEvent readTouch() = 0;
-    virtual HoldState updateHold(unsigned long holdMs) = 0;
+    virtual HoldState updateHold(const TouchEvent& evt, unsigned long holdMs) = 0;
     virtual void drawDebugTouch(int x, int y) { /* default: no-op */ }
     virtual int width() = 0;
     virtual int height() = 0;