feat(i18n): zh-CN examples log in English, matching the serial-monitor convention

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

public/exemplos/zh-CN/esp-matter.c

@@ -15,7 +15,7 @@ void app_event_cb(const esp_matter_event_t *event)
                 bool on = false;
                 esp_matter_attribute_get(attr_update->endpoint_id, attr_update->cluster_id,
                                          attr_update->attribute_id, &on);
-                ESP_LOGI(TAG, "Lâmpada %s", on ? "ligada" : "desligada");
+                ESP_LOGI(TAG, "Lamp %s", on ? "on" : "off");
             }
             break;
         }
@@ -40,5 +40,5 @@ void app_main(void)
     // 启动 Matter 协议栈
     ESP_ERROR_CHECK(esp_matter::start(node));
 
-    ESP_LOGI(TAG, "Dispositivo Matter iniciado. Aguardando comissionamento...");
+    ESP_LOGI(TAG, "Matter device started. Waiting for commissioning...");
 }