refactor: replace hint feedback with debug crosshair

libraries/KlubhausCore/src/DisplayManager.h

@@ -139,51 +139,9 @@ public:
 
     HoldState updateHold(unsigned long ms) { return _drv ? _drv->updateHold(ms) : HoldState {}; }
 
-    void updateHint(int x, int y, bool active) {
+    void drawDebugTouch(int x, int y) {
         if(_drv)
-            _drv->updateHint(x, y, active);
-    }
-
-    /// Show touch feedback - highlights the tile at given coordinates
-    /// Returns true if a valid tile is being touched
-    bool showTouchFeedback(int x, int y) {
-        if(!_drv || _gridCols <= 0)
-            return false;
-
-        // Transform touch coordinates
-        _drv->transformTouch(&x, &y);
-
-        int headerH = 30;
-        if(y < headerH)
-            return false;
-
-        // Calculate which cell
-        int cellW = _drv->width() / _gridCols;
-        int cellH = (_drv->height() - headerH) / _gridRows;
-
-        int col = x / cellW;
-        int row = (y - headerH) / cellH;
-
-        if(col < 0 || col >= _gridCols || row < 0 || row >= _gridRows)
-            return false;
-
-        // Find which tile is at this position
-        for(int i = 0; i < _tileCount; i++) {
-            const TileLayout& lay = _layouts[i];
-            if(lay.col <= col && col < lay.col + lay.cols && lay.row <= row
-                && lay.row + lay.rows > row) {
-                // Found the tile - draw highlight via driver
-                _drv->updateHint(lay.x, lay.y, true); // active=true means show feedback
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /// Clear touch feedback
-    void clearTouchFeedback() {
-        if(_drv)
-            _drv->updateHint(0, 0, false); // active=false means clear
+            _drv->drawDebugTouch(x, y);
     }
 
     /// Check if current position is still in same tile as touch-down