feat(power): switch to physical power-key shutdown control

components/domain/include/domain.h

@@ -15,6 +15,15 @@ esp_err_t system_runtime_start(void);
 esp_err_t system_runtime_shutdown(void);
 esp_err_t system_runtime_bootstrap(void);
 
+typedef enum {
+    DOMAIN_POWER_EVENT_SHUTDOWN_REQUEST = 0,
+} domain_power_event_t;
+
+typedef void (*domain_power_event_cb_t)(domain_power_event_t event, void *user_data);
+
+esp_err_t system_runtime_set_power_event_callback(domain_power_event_cb_t cb, void *user_data);
+esp_err_t system_runtime_power_off(void);
+
 bool system_runtime_wifi_ready(void);
 void system_runtime_get_ip(char *buf, size_t buf_len);