feat(i18n): Simplified Chinese (zh-CN), search answers per locale, fr/de/es data fixes

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

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

@@ -55,7 +55,7 @@ void loop() {
     // 检测图像中的人脸
     box_array_t *faces = face_detect_msr01(fb->buf, fb->width, fb->height, fb->format);
     if (faces) {
-        Serial.printf("Rostos detectados: %d\n", faces->len);
+        Serial.printf("Faces detected: %d\n", faces->len);
         for (int i = 0; i < faces->len; i++) {
             box_t *box = &faces->box[i];
             Serial.printf("Face %d - x:%d y:%d w:%d h:%d\n", i, box->box_p[0], box->box_p[1],
@@ -63,7 +63,7 @@ void loop() {
         }
         dl_lib_free(faces);
     } else {
-        Serial.println("Nenhum rosto detectado.");
+        Serial.println("No face detected.");
     }
 
     esp_camera_fb_return(fb);