fix(backend): fixed user registration

internal/api/user_handler.go

@@ -3,6 +3,7 @@ package api
 import (
 	"encoding/json"
 	"errors"
+	"log"
 	"net/http"
 
 	"gitea.mrixs.me/minecraft-platform/backend/internal/core"
@@ -21,8 +22,14 @@ func (h *UserHandler) Register(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// --- ДОБАВЛЕНО ЛОГИРОВАНИЕ ---
+	log.Printf("[Handler] Received registration request for username: '%s', email: '%s'", req.Username, req.Email)
+
 	err := h.Service.RegisterNewUser(r.Context(), req)
 	if err != nil {
+		// --- ДОБАВЛЕНО ЛОГИРОВАНИЕ ОШИБКИ ---
+		log.Printf("[Handler] Service returned error: %v", err)
+
 		switch {
 		case errors.Is(err, database.ErrUserExists):
 			http.Error(w, err.Error(), http.StatusConflict)
@@ -34,5 +41,7 @@ func (h *UserHandler) Register(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// --- ДОБАВЛЕНО ЛОГИРОВАНИЕ УСПЕХА ---
+	log.Printf("[Handler] User '%s' registered successfully.", req.Username)
 	w.WriteHeader(http.StatusCreated)
 }