Align touch with temperature XPT2046 driver and LVGL inverse map.

Mux VSPI between SD and touch; map like climate UI then undo ROTATION_270 so buttons hit.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/main.cpp

@@ -47,7 +47,7 @@ void setup() {
 
   lv_display_t *disp =
       lv_tft_espi_create(SCREEN_WIDTH, SCREEN_HEIGHT, draw_buf, sizeof(draw_buf));
-  // 横屏；触点报物理 240x320，由 LVGL 做旋转变换
+  // 与 temperature 相同：TFT rot3 + LVGL 270；触点先算 UI 坐标再反变换喂给 LVGL
   lv_display_set_rotation(disp, LV_DISPLAY_ROTATION_270);
 
   lv_indev_t *indev = lv_indev_create();