Refactor app loading and window management (#609)

Devices/m5stack-tab5/Source/devices/devices_v1.cpp

@@ -67,6 +67,11 @@ static void create_gt911_touch(Device* i2c0) {
         // Reset is pulsed via io_expander0 (detect.cpp's pulse_display_reset_pins), not a direct SoC GPIO.
         .pin_reset = GPIO_PIN_SPEC_NONE,
         .pin_interrupt = GPIO_PIN_SPEC_NONE,
+        .reset_pulses = 0, // no-op: pin_reset is NONE, so reset_controller_pin() skips anyway
+        .x_offset = 0,
+        .y_offset = 0,
+        .x_scale = 1000,
+        .y_scale = 1000,
     };
     gt911_device.config = &gt911_config;
 

Devices/m5stack-tab5/Source/devices/tab5_keyboard.cpp

@@ -575,6 +575,7 @@ static error_t tab5_keyboard_read_key(Device* device, KeyboardKeyData* data) {
 
 static const KeyboardApi tab5_keyboard_api = {
     .read_key = tab5_keyboard_read_key,
+    .is_present = tab5_keyboard_is_attached,
 };
 
 // Defined in module.cpp - this driver is registered directly by m5stack-tab5's own module,