Introduces controller actions and UI modals for admins to edit WHOIS and RDAP servers for TLDs. Updates redirect logic to return users to the correct page after actions. Adds new POST routes for updating WHOIS and RDAP servers. Improves clipboard copy feedback in the debug WHOIS view.
Introduces error log tracking with new ErrorLog model, controller, views, and migration. Adds admin UI for viewing, resolving, and deleting errors. Implements bulk actions for users and notification groups, refactors domain filtering/pagination, and centralizes admin access checks using Auth::requireAdmin().
