Prevents sending /api/projects/undefined when saving a user after
removing client role. Also auto-clears client and projects when
ROLE_CLIENT checkbox is unchecked.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add non-persisted plainPassword field to User entity (write-only via API)
- Remove direct write access to password field
- Update UserPasswordHasherProcessor to hash from plainPassword
- Update frontend DTO and UserDrawer component
Ticket: T-009
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>