refactor(Style): Add font abstraction and CSS-like styling constants

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

@@ -19,6 +19,12 @@ public:
     // Dashboard - uses transform for touch coordinate correction
     void transformTouch(int* x, int* y) override;
 
+    // Fonts
+    void setTitleFont() override;
+    void setBodyFont() override;
+    void setLabelFont() override;
+    void setDefaultFont() override;
+
 private:
     void drawBoot(const ScreenState& st);
     void drawAlert(const ScreenState& st);
@@ -36,4 +42,8 @@ private:
     bool _touchWasPressed = false;
     int _touchDownX = -1;
     int _touchDownY = -1;
+
+    // Test mode for touch injection
+    bool _testMode = false;
+    bool parseTestTouch(int* outX, int* outY, bool* outPressed);
 };