refactor(AGENTS.md): update docs for simplified build commands and board config

boards/esp32-32e-4/DisplayDriverTFT.cpp

@@ -259,6 +259,7 @@ void DisplayDriverTFT::drawDashboard(const ScreenState& st) {
 
     // Get tile layouts from library helper
     int tileCount = display.calculateDashboardLayouts(STYLE_HEADER_HEIGHT, STYLE_TILE_GAP);
+    display.setHeaderHeight(STYLE_HEADER_HEIGHT);
     const TileLayout* layouts = display.getTileLayouts();
 
     const char* tileLabels[] = { "Alert", "Silent", "Status", "Reboot" };
@@ -377,6 +378,14 @@ TouchEvent DisplayDriverTFT::readTouch() {
     uint16_t tx, ty;
     uint8_t touched = _tft.getTouch(&tx, &ty, 100);
 
+    // Filter out invalid coordinates (touch panel can return garbage on release)
+    // Check against actual display dimensions (320x480 for this board)
+    bool validCoords = !(tx > 320 || ty > 480);
+    if(touched && !validCoords) {
+        touched = 0;
+        return evt;
+    }
+
     // Debug: log touch state changes
     if(touched != _touchWasPressed) {
         Serial.printf("[TOUCH] raw touched=%d wasPressed=%d (x=%d,y=%d)\n", touched,