Add user profile fields + IAM search, email column, detail panel
Backend:
- Migration 037: add email, first_name, last_name to users table
- User model: add 3 profile columns
- Admin schemas: extend UserListItem/UserDetailResponse/CreateUserRequest
with profile fields, email validator, name field sanitization
- _create_user_defaults: accept optional preferred_name kwarg
- POST /users: set profile fields, email uniqueness check, IntegrityError guard
- GET /users/{id}: join Settings for preferred_name, include must_change_password/locked_until
Frontend:
- AdminUser/AdminUserDetail types: add profile + detail fields
- useAdmin: add CreateUserPayload profile fields + useAdminUserDetail query
- CreateUserDialog: optional profile section (first/last name, email, preferred name)
- IAMPage: search bar filtering on username/email/name, email column in table,
row click to select user with accent highlight
- UserDetailSection: two-column detail panel (User Info + Security & Permissions)
with inline role editing
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>