# from flask_login import UserMixin
# # --------------------
# # LDAP User class (not stored in DB)
# # --------------------
# class LDAPUser(UserMixin):
#     """Represents an authenticated LDAP user (kept in session)."""
#     def __init__(self, dn, username):
#         self.dn = dn
#         self.username = username
#         self.id = username   # 🔑 Use username for session id (stable)