User deletion bug:
- Store client IP in socket assigns during mount
- Access stored IP during delete event instead of connect_info
- Fixes RuntimeError when attempting to delete users
Timezone support:
- Add timezone offset maps for common timezones (no external deps)
- Implement shift_timezone/2 helper using DateTime.add/3
- Add timezone-aware format_datetime/2, format_date/2, format_iso8601/2
- Keep backwards-compatible 1-arity versions defaulting to UTC
- Add comprehensive test coverage for timezone conversions
- All tests passing (23 tests, 0 failures)
Note: Timezone offsets are standard time only (no DST handling)
Common timezones supported: America/New_York, America/Los_Angeles,
Europe/London, Europe/Paris, Asia/Tokyo, Asia/Shanghai, Australia/Sydney
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
