Migrates all admin-related flash messages to gettext for internationalization:
- Admin.UserLive.Index: user deletion messages
- Admin.OrgLive.Index: organization deletion messages
- UserAuth: impersonation start/stop messages
Adds Gettext backend and helpers import to UserAuth module to support translations.
All admin and auth tests passing (87 tests).
Implement comprehensive admin interface allowing designated superusers to view all users and organizations, impersonate users for debugging, and perform administrative operations. All superuser actions are tracked in audit logs for compliance.
Features:
- Superuser authentication with dedicated admin routes at /admin
- User impersonation with session state preservation
- Admin dashboard with system statistics
- User and organization management interfaces
- Comprehensive audit logging with IP tracking
- Visual impersonation banner with exit capability
- Security controls preventing self-impersonation and superuser-to-superuser impersonation
Database:
- Add is_superuser boolean field to users table
- Create audit_logs table for tracking sensitive operations
- Set graham@mcintire.me as initial superuser
