feat(api): fix time

app/models/user.py

@@ -57,5 +57,10 @@ class User(UserMixin, db.Model):
             'last_login': self.last_login.isoformat() if self.last_login else None
         }
     
-    def __repr__(self):
-        return f'<User {self.email}>'
+def __repr__(self):
+        return f'<User {self.email}>'
+
+@login_manager.user_loader
+def load_user(user_id):
+    """Load user from database by ID"""
+    return User.query.get(int(user_id))