modified: serv_nginx/api_bb/internal/repository/user_stats_repository.go

new file:   serv_nginx/api_bb/internal/scripts/migrate_existing_users.go
	modified:   serv_nginx/api_bb/internal/service/auth_service.go
	modified:   serv_nginx/api_bb/internal/service/user_stats_service.go
	modified:   serv_nginx/bbvue/src/views/Achievements.vue
	modified:   serv_nginx/bbvue/src/views/Reviews.vue
	modified:   serv_nginx/bbvue/src/views/Training.vue
fix bag with no stats into table

serv_nginx/bbvue/src/views/Achievements.vue

@@ -713,7 +713,9 @@ export default {
 }
 
 .achievement-details {
-  space-y: 0.5rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem; /* Современный способ для Flexbox */
 }
 
 .pace {

serv_nginx/bbvue/src/views/Reviews.vue

@@ -1163,7 +1163,9 @@ export default {
 }
 
 .review-content {
-  space-y: 1rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem; /* Современный способ для Flexbox */
 }
 
 .review-text {

serv_nginx/bbvue/src/views/Training.vue

@@ -945,7 +945,9 @@ export default {
 }
 
 .signup-form {
-  space-y: 1.5rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem; /* Современный способ для Flexbox */
 }
 
 .form-group {